Laughter yoga · Atlas

1. Introduction

Version followed: the Laughter Yoga International (LYI) one-hour, four-step session described in LYI's Information Booklet (clapping, deep breathing, childlike playfulness, laughter exercises, then Laughter Meditation and guided relaxation), cross-checked against LYI's current website, which presents the same content as "5 pillars" (adding Laughter Meditation as a pillar). Screening draws on the BMJ narrative review of laughter's harms (Ferner and Aronson, BMJ 2013;347:f7274, the December 2013 Christmas issue; often cited as 2014) and on contraindication lists that certified leaders publish on their booking forms. [source: LYI Information Booklet; LYI What is Laughter Yoga page; Ferner and Aronson 2013]

What it is. Laughter yoga is a group wellness practice created by the Indian physician Dr Madan Kataria. He launched the first Laughter Club with five people in a Mumbai park in March 1995. When the group ran out of jokes, he switched to laughing "for no reason": laughter is first done deliberately as an exercise, with no jokes, humour or comedy, and is combined with yogic breathing that lengthens the exhale. LYI describes it as a wellness practice, not a psychotherapy. It is run by volunteer clubs and by leaders trained through LYI's certification courses. [source: LYI Information Booklet; LYI What is Laughter Yoga page]

Core idea of change (as LYI states it). The method rests on the claim that the body responds in much the same way to deliberate and to spontaneous laughter. In a group, deliberate laughter done with eye contact and childlike playfulness is meant to become real, contagious laughter. LYI's slogan for this is "motion creates emotion": you change mood by acting first. Kataria says health effects need about 10 to 15 minutes of sustained laughter, which jokes alone rarely produce. These are the founder's own claims about how it works. [source: LYI Information Booklet; Kataria, Ten Questions on Laughter Yoga and Mental Health]

Evidence status of health claims. LYI's materials claim effects on stress hormones, endorphins and immunity, and benefits for hypertension, heart disease, diabetes, depression, asthma, arthritis, migraine and cancer. They support these mostly with testimonials, including anecdotes of reduced medication use and a shrinking tumour. The BMJ review concluded that laughter's benefits "have often been assumed rather than demonstrated". It found that laughter's harms are immediate and dose-related, worst with uncontrollable laughter, and judged the overall balance "probably favourable" but tentative. Small trials exist, for example an unblinded Iranian study of retirees given eight 45-minute sessions, which reported gains in happiness and hope scores. Laughter yoga is not a treatment for any physical or mental disease. Present it to clients as a mood, stress and social-connection practice that supports, and never replaces, medical or psychological treatment. [source: LYI Information Booklet; Ferner and Aronson 2013; Seraj et al. 2025] [synthesis: the client-facing framing]

Professional frame. Laughter yoga is not a regulated profession, and no statutory registration exists for it. LYI's own credentials are:

Certified Laughter Yoga Leader (CLYL): a 2-day course run by certified teachers, also offered online.
Certified Laughter Yoga Teacher (CLYT): a 5-day course run by Dr Kataria or authorised master trainers.
Certified Laughter Yoga Master Trainer (CLYMT).

LYI says a club must be led by a trained Laughter Leader or Teacher. A psychotherapist who brings it into therapy works under their own profession's registration and code (for example HCPC, BACP, UKCP or APA ethics), and should complete at least CLYL before leading sessions [synthesis]. A creative arts therapist using it within arts therapy practice also needs their arts-therapy registration (for example HCPC for art, drama and music therapists in the UK). [source: LYI Information Booklet; LYI What is Laughter Yoga page] [synthesis: the training recommendation for clinicians]

2. Framework

Laughter yoga has no clinical phases. Its structure works at two levels: within a session and across a course of practice. [source: LYI Information Booklet]

A. Session structure (LYI booklet, about 60 minutes)

Laughter, breathing and stretching block (about 30 minutes). This follows four steps:
- Step 1, clapping: rhythmic clapping with the "ho ho ha ha ha" chant.
- Step 2, deep breathing: breaths placed between laughter exercises.
- Step 3, childlike playfulness: playful cheers and activities.
- Step 4, laughter exercises: the core of the block. Goal: warm up, lower inhibition, and move from deliberate laughter to real laughter.
Laughter Meditation (about 15 minutes). Prompt-free laughter that LYI describes as becoming spontaneous and effortless. Goal: sustained unconditional laughter.
Guided relaxation (about 15 minutes). Goal: settle the body and nervous system before people leave.

The website's 5-pillar version lists the same content as: clapping and chanting, deep breathing, childlike playfulness, laughter exercises, and laughter meditation. Some leaders also add humming or yoga nidra as grounding, and seated movement for older people. [source: LYI Information Booklet; LYI What is Laughter Yoga page; Laughter Yoga Windsor session page]

B. Course level

LYI's frequency. Clubs meet daily in India and weekly or fortnightly in the West, and LYI says daily practice gives the greatest benefit. Kataria recommends one group session a week (in person or online) plus daily solo laughter once the person has been "conditioned" in a group. [source: LYI Information Booklet; Kataria, Ten Questions]
A research protocol. One trial used eight 45-minute seated sessions over four weeks, with certified instructors present at each session. [source: Seraj et al. 2025]
Intensive formats. Kataria describes longer programmes (one to two weeks, about three hours a day) that combine laughter with silence and sometimes crying. These are not suitable for routine psychotherapy clients without careful screening [synthesis]. [source: Kataria, Ten Questions]

C. Criteria for moving on. No source gives formal criteria. [uncertain] Suggested working criteria [synthesis]:

Within a session: move from clapping and breathing to the laughter exercises once most people are joining the chant and making eye contact. Move to Laughter Meditation only when the laughter exercises are producing some real laughter. Always end with relaxation or grounding.
From group to solo practice: suggest solo practice once the client can produce deliberate laughter without marked shame, which follows Kataria's group-first advice.
In therapy: first try it in session (5 to 10 minutes) after screening. Then agree on a home or club practice. Review its effect on mood, sleep and social contact every few weeks, and stop if it is not helping or causes distress.

D. Formats for a psychotherapist [synthesis]:

A brief laughter warm-up (about 5 to 10 minutes) in an individual session.
A closed therapy group or ward group (30 to 45 minutes, seated option, with the full closing sequence).
Referral to a community or online laughter club, treated as a social-prescribing activity alongside therapy and not as therapy itself.

3. Guiding principles

Laughter for no reason; no jokes needed. Never rely on humour, wit or the client finding anything funny; the exercise itself is the stimulus. [source: LYI Information Booklet]
"You don't need a sense of humour." Tell clients who say "I'm not a funny person" that this does not matter. [source: LYI Information Booklet, five secrets]
Motion creates emotion. Start with body, breath and voice, and let mood follow; do not wait for the client to feel like laughing. [source: LYI Information Booklet]
You can laugh even when you are not happy. The practice does not require cheerfulness, but in therapy, validate low mood first and never imply the client should feel happy. [source: LYI Information Booklet] [synthesis: the therapy caveat]
Childlike playfulness can be cultivated. Use silly, play-based tasks to lower adult self-consciousness. [source: LYI Information Booklet]
Body and mind can be trained to laugh. Treat it as a skill built by repetition, not a one-off experiment. [source: LYI Information Booklet]
Group, eye contact and contagion. Laughter spreads through eye contact in a group, so groups usually work better than one-to-one. In individual work, the therapist joins in. [source: LYI Information Booklet; Kataria, Ten Questions]
Breathing alternates with laughing. Place slow breaths with a long exhale between bouts, to recover and to calm anxious participants. [source: LYI Information Booklet; LYI What is Laughter Yoga page; Kataria, Ten Questions]
Sustained dose. LYI aims for about 10 to 15 minutes of total laughter. For screened, deconditioned or medically fragile clients, use shorter bouts. [source: Kataria, Ten Questions] [synthesis: shorter bouts for at-risk clients]
Welcome, never challenge newcomers. Invite people to do as much as they can; inhibition is expected to fade gradually. [source: Kataria, Ten Questions]
Do not judge those who cannot laugh yet. Treat "fake" or absent laughter as the normal starting point. [source: Kataria, Ten Questions]
"No strain, no new pain". People stop at any discomfort and seek medical help if it persists; the leader repeats this at every session. [source: Merrie Maggie laughter yoga disclaimer]
Screen and brief every time. Review contraindications before booking and briefly restate them at the start of each workshop. [source: Serious Laughter booking form]
Do not change medical treatment. People on prescribed treatment must not reduce or stop it because of laughter practice without their doctor's advice. [source: Merrie Maggie laughter yoga disclaimer]
End grounded. Intense laughter can leave some people tearful, sad or irritable, so always close with relaxation or humming. [source: Laughter Yoga Windsor session page; LYI Information Booklet]
Laughing with, never at. Laughter is aimed at the shared exercise, never at a person; this protects clients with shame or bullying histories. [synthesis]

4. Intervention inventory

The LYI pages used (Information Booklet, What is Laughter Yoga page, Kataria's 2025 newsroom article) give no contraindication list. [uncertain] The screening list below therefore combines two sources: the medical harms in the BMJ review, and the contraindication lists that certified leaders publish on their booking forms. Exercise names and steps come from the LYI Information Booklet unless another source is tagged.

4.1 Medical and psychological screening (before the first session)

Purpose: Exclude or adapt for people at risk from forceful, sustained laughter. This means sharp rises in abdominal and chest pressure, rapid inhalation, forceful exhalation and wide mouth opening. Use it before any laughter exercise, including a brief in-session trial.
Steps:
1. Ask about each condition below. Use a written health declaration and liability form, as leaders do; Serious Laughter has participants or the organiser complete one for every participant.
2. Sort the answers into three groups: do not start, start only after medical advice, or adapt.
3. Record the decision.
4. At the start of every session, restate the stop rule. [source: Serious Laughter booking form; Merrie Maggie laughter yoga disclaimer]
Conditions to ask about, by body system. The tag after each item shows which source lists it.
- Abdominal and pelvic
  - Surgery in the last 3 months, especially abdominal surgery [Merrie Maggie; Serious Laughter: major surgery within 3 months].
  - Any hernia; BMJ reports hernias protruding with laughter [Merrie Maggie; Serious Laughter; BMJ].
  - Advanced or bleeding piles (haemorrhoids) [Merrie Maggie; Serious Laughter].
  - Rectus sheath haematoma after vigorous "laughter therapy" [BMJ].
  - Urinary incontinence, including stress incontinence and giggle incontinence (enuresis risoria) [Merrie Maggie; Serious Laughter; BMJ].
  - Severe backache [Merrie Maggie; Serious Laughter].
- Pregnancy: first and third trimester [Merrie Maggie; Serious Laughter]. Second-trimester participation was not discussed in the sources. [uncertain]
- Respiratory
  - Asthma; BMJ reports attacks triggered even by hollow, non-spontaneous laughter, and coughing after laughter is more common than wheeze [BMJ].
  - Any persistent cough [Merrie Maggie].
  - Past pneumothorax, especially in middle-aged smokers, and interlobular emphysema [BMJ].
  - Severe breathlessness or pulmonary infarction [Serious Laughter].
  - Colds and flu, and active respiratory infection; the airflow from laughing can spread infection [Serious Laughter; BMJ].
- Cardiovascular
  - Heart disease [Merrie Maggie].
  - High blood pressure [Merrie Maggie]. Uncontrolled hypertension, or very high readings, is a contraindication [Serious Laughter].
  - Unstable angina; uncontrolled or irregular heart rhythm; congestive heart failure; severe aortic stenosis; known or suspected dissecting aneurysm; inflammation or infection of the heart; recent blood clot; postural hypotension [Serious Laughter].
  - Past fainting with laughter or coughing; BMJ reports laughter syncope and arrhythmias [BMJ].
  - Long QT syndrome; BMJ reports a death after sustained laughter in a woman with long QT who was taking a QT-prolonging antipsychotic. Ask about QT-prolonging medication and refer to the prescriber [BMJ] [synthesis: the medication question].
- Neurological
  - Epilepsy [Merrie Maggie; Serious Laughter]. Gelastic (laughing) seizures are a cause of abnormal laughter, not a harm of laughter [BMJ].
  - Narcolepsy with cataplexy; laughter is a classic trigger for sudden loss of muscle tone [BMJ].
  - Chiari malformation or colloid cyst (laughter-triggered headache), and patent foramen ovale (one case of stroke after prolonged laughter) [BMJ].
- Eye: glaucoma. It is not given in the sources, though it is often listed. [uncertain] If it is present, get advice from the client's eye specialist before starting [synthesis].
- Musculoskeletal and other
  - History of jaw dislocation; adapt or omit the wide-mouth exercises [BMJ] [synthesis: the adaptation].
  - Severe orthopaedic conditions; acute thyroiditis; abnormal potassium levels; uncontrolled diabetes; acute illness, fever or dehydration; any systemic infection [Serious Laughter].
  - Anything with acute symptoms [Merrie Maggie].
  - Alcohol or recreational drugs on the day [Serious Laughter].
- Psychiatric: major psychiatric disorders [Merrie Maggie]. Specific considerations [synthesis]:
  - Current mania or hypomania (risk of further activation).
  - Active psychosis, especially with paranoid ideas about being laughed at.
  - Acute suicidal crisis; do a risk assessment first, and laughter practice never replaces a safety plan.
  - Recent bereavement, where enforced cheer can feel invalidating.
  - Histories of being mocked, bullied or humiliated.
Example language (illustrative): "Laughing hard for several minutes is real physical exercise. It raises pressure in your belly and chest. So before we try it, I need to ask about a few health conditions. If any of them apply, we'll check with your doctor first or change the exercises."
Watch for: Clients who minimise conditions to avoid embarrassment, especially incontinence or piles. Keep the questions matter-of-fact and private. The organisers' lists say they are "for guidance only" and not exhaustive: "If in doubt do not try it." [source: Merrie Maggie laughter yoga disclaimer]

4.2 Opening briefing and safety rule

Purpose: Set consent, the opt-out and expectations; LYI's principle is that newcomers are welcomed and never challenged. Use it at the start of every session. [source: Kataria, Ten Questions; Serious Laughter booking form]
Steps:
1. Explain that the laughter is deliberate at first, needs no jokes, and may become real.
2. Briefly restate the contraindications.
3. Give the stop rule: "no strain, no new pain". Anyone may stop, sit, or simply smile or breathe at any time, and anyone who feels discomfort should stop and get medical help if it continues.
4. Say whether any exercise involves touch (handshake, hug) and offer a no-touch alternative, such as a wave or a namaste.
5. Point out water, seating and the toilets. [source: Merrie Maggie laughter yoga disclaimer; Serious Laughter booking form] [synthesis: touch opt-out, practical points]
Example language (illustrative): "We'll be laughing on purpose. It will probably feel fake at first, and that's fine. You can stop, sit down or just breathe at any point, and you don't have to touch anyone. If anything hurts, stop and tell me."
Watch for: Visible reluctance; offer a seated, observing role first. Physical arrangement [synthesis]: clear the floor of trip hazards, place chairs at the edges for people who need to sit, and keep enough space for arm movements.

4.3 Clapping warm-up (Step 1)

Purpose: Raise energy and get the group moving in sync. LYI claims full-palm clapping stimulates acupressure points in the hands. This is the organisation's own theory and is not established. Use it to open every session. [source: LYI Information Booklet; Laughter Yoga Windsor session page]
Steps:
1. Stand or sit in a circle.
2. Clap with palms and fingers fully parallel and in contact.
3. Set a rhythm of 1-2, then 1-2-3.
4. Add arm swings and light stepping or dance movements.
5. Continue for one to two minutes [synthesis: duration]. [source: LYI Information Booklet; Laughter Yoga Windsor session page]
Example language (illustrative): "Clap with your whole hands, fingers to fingers. One-two, one-two-three. Now swing your arms as you clap."
Watch for: Hand or wrist pain, or arthritis; offer softer clapping or tapping the thighs [synthesis]. It is working when most of the group is in rhythm and making eye contact.

4.4 "Ho ho ha ha ha" chant

Purpose: Engage the diaphragm with rhythmic vocal sound and mark the end of each laughter exercise. It is used during warm-up and after every exercise. [source: LYI Information Booklet; LYI 2025 newsroom article]
Steps:
1. While clapping in the 1-2, 1-2-3 rhythm, chant "ho ho, ha ha ha" in time with the claps, using sound from the belly.
2. After each laughter exercise, the leader starts the chant with clapping.
3. Follow it with two deep breaths (4.5). [source: LYI Information Booklet]
Example language (illustrative): "Let it come from your belly: ho ho, ha ha ha."
Watch for: Hoarseness or straining the throat; ask people to lower the volume [synthesis]. Listen for coughing, the most common breathing reaction to laughter [source: BMJ].

4.5 Deep breathing between exercises (Step 2)

Purpose: Recover between bouts, clear the lungs, and calm anxious participants. LYI's yogic breathing stresses a long exhale. Use it between every one or two laughter exercises. [source: LYI Information Booklet; LYI What is Laughter Yoga page; Kataria, Ten Questions]
Steps:
1. Breathe in slowly through the nose while raising the arms overhead.
2. Hold briefly, only if comfortable.
3. Breathe out slowly through the mouth while lowering the arms; the exhale is longer than the inhale.
4. Do this twice. [source: LYI Information Booklet: two deep breaths after each exercise] [synthesis: arm movement and hold, which are common leader practice but not detailed in the sources] [uncertain]
Example language (illustrative): "Breathe in slowly and lift your arms... and a long, slow breath out as they come down."
Watch for: Dizziness or tingling, which suggests over-breathing. Drop the breath-hold and slow the pace, and have people sit [synthesis]. In people with epilepsy, avoid forceful or rapid breathing [synthesis]. [uncertain]

4.6 Childlike playfulness cheer (Step 3)

Purpose: Build enthusiasm and give permission to be silly, which helps people laugh without a reason. Use it after laughter exercises, as a reward and transition. [source: LYI Information Booklet; Laughter Yoga Windsor session page]
Steps:
1. Say "very good, very good" with forward claps, twice.
2. Throw both arms up and call "yay". [source: Laughter Yoga Windsor session page; this cheer is not described in the LYI booklet] [uncertain: whether it is LYI-standard wording]
Example language (illustrative): "Let's congratulate ourselves: very good, very good, yay!"
Watch for: Adults who find it infantilising. Explain why it is used and let them clap without the words [synthesis].

4.7 The laughter exercise cycle (Step 4: how every exercise is run)

Purpose: Each exercise is a short mime or role-play done while laughing deliberately with eye contact, to lower inhibition and move toward real laughter. Exercise types in leader materials are: yoga-based (from yoga postures), playful (role-play and mime), and value-based (paired with a positive gesture such as greeting, appreciating or forgiving). [source: LYI Information Booklet; Laughter Yoga Windsor session page]
Steps:
1. The leader names the exercise and demonstrates it.
2. The group does it while laughing and moving around to make eye contact, usually for about 30 to 45 seconds.
3. Close with the "ho ho ha ha ha" chant with clapping.
4. Take two deep breaths.
5. Optionally do the cheer. [source: LYI Information Booklet; Seraj et al. 2025 for the 30 to 45 second bouts]
Example language (illustrative): "Watch me first... now everyone, and find someone's eyes as you laugh."
Watch for: Many exercises can be done seated [source: Seraj et al. 2025]. Most people pass from deliberate to some real laughter over several exercises; persistent silence is normal at first [source: Kataria, Ten Questions].

4.8 Greeting laughter (value-based)

Purpose: Break the ice and connect people early in a session. [source: LYI Information Booklet]
Steps:
1. Walk around and greet each person, either with a handshake or with palms together (namaste), while laughing and making eye contact.
2. Finish with the chant and two deep breaths. [source: LYI Information Booklet]
Example language (illustrative): "Greet as many people as you can, with a handshake or a namaste, and laugh as you greet them."
Watch for: Touch. Always offer namaste or a wave instead of a handshake. Seraj et al. also describe handshake and hug laughter; never use hug laughter without explicit opt-in consent from each person, and never in groups with trauma or abuse histories unless it has been agreed beforehand [source: Seraj et al. 2025] [synthesis: consent rule].

4.9 Hearty laughter

Purpose: Produce one big, full-bodied laugh together. [source: LYI Information Booklet]
Steps:
1. Count 1, 2, 3.
2. Everyone laughs out loud together, raising and lowering the arms rhythmically.
3. Finish with clapping, the chant and two deep breaths. [source: LYI Information Booklet]
Example language (illustrative): "On three, arms up and laugh from the belly... one, two, three!"
Watch for: Shoulder limits (keep arms low); the abdominal and chest-pressure contraindications in 4.1; flushing or breathlessness. Shorten the bout for older or deconditioned clients [synthesis].

4.10 Milkshake laughter (playful)

Purpose: Use mime to make laughing feel like play. [source: LYI Information Booklet]
Steps:
1. Hold two imaginary glasses.
2. Pour from one to the other and back while chanting "aeee".
3. Mime drinking while laughing.
4. Repeat four times. [source: LYI Information Booklet]
Example language (illustrative): "Pour your milkshake from one glass to the other, aeee, and back, aeee, now drink it and laugh!"
Watch for: It is working when people exaggerate the mime. If someone is too self-conscious to mime, let them watch and smile [synthesis].

4.11 One-meter laughter (playful)

Purpose: Combine a stretch with a burst of laughter. [source: LYI Information Booklet]
Steps:
1. Stretch one arm out to the side.
2. With the other hand, slide along it from the fingertips toward the shoulder in three jerks, chanting a sound with each jerk.
3. Then stretch both arms out, tip the head back, and laugh.
4. Do the left side, then the right, and repeat the cycle twice. [source: LYI Information Booklet]
Example language (illustrative): "Measure your arm: one, two, three... arms wide, head back, and laugh!"
Watch for: Neck problems or dizziness when tipping the head back; keep the head level [synthesis].

4.12 Lion laughter (yoga-based)

Purpose: Release inhibition and exercise the face, tongue and throat. It is based on the lion posture (Simha Mudra); LYI's claim that it improves blood supply to the thyroid is the organisation's own and is not established. [source: LYI Information Booklet]
Steps:
1. Stick out the tongue fully and open the mouth wide.
2. Widen the eyes and hold the hands up like a lion's paws.
3. Roar, then laugh from the belly. [source: LYI Information Booklet]
Example language (illustrative): "Tongue out, eyes wide, paws up, and roar... now laugh from your belly."
Watch for: Jaw clicking or pain. Do not use it with clients who have a history of jaw dislocation, as BMJ reports laughter-related dislocation; use a half-open mouth instead [source: BMJ] [synthesis: adaptation]. Some trauma survivors may experience the open-mouth, tongue-out face as exposing, so offer a hand-only version [synthesis].

4.13 Silent laughter with mouth wide open

Purpose: Laugh without sound; useful in quiet settings or for people who are shy about noise. [source: LYI Information Booklet]
Steps:
1. Open the mouth wide and laugh silently, using quick movements of the abdomen.
2. Look at each other and use palm, head and hand gestures.
3. Use quick abdominal pulses, not a long hissing breath. [source: LYI Information Booklet]
Example language (illustrative): "Same big laugh, but no sound. Let your belly do the laughing."
Watch for: As in 4.12, the jaw. Quick abdominal pulsing still raises abdominal pressure, so the 4.1 cautions apply [synthesis].

4.14 Cell (mobile) phone laughter (playful)

Purpose: Get people mixing and make eye contact easier. [source: LYI Information Booklet]
Steps:
1. Hold an imaginary phone to the ear.
2. Walk around, laughing as if hearing something hilarious, and meet different people's eyes.
3. Variation: two groups face each other and cross through each other while laughing. [source: LYI Information Booklet]
Example language (illustrative): "Your phone is ringing. Answer it, and it's the funniest call you've ever had. Walk and share it with people."
Watch for: Collisions and falls when groups cross. Use walking pace only and keep space clear; offer a seated version [synthesis].

4.15 Argument laughter (playful)

Purpose: Turn conflict into play by mimicking an argument with laughter. [source: LYI Information Booklet]
Steps:
1. Two groups (or pairs) face each other.
2. Point index fingers at each other and laugh in a playful, competitive way. [source: LYI Information Booklet]
Example language (illustrative): "Have a pretend argument, but all you're allowed to do is point and laugh."
Watch for: This is the exercise most likely to feel like being laughed at. Do not use it with clients who have histories of bullying, humiliation or domestic abuse, or with people whose paranoid ideas centre on being mocked. Use it in couples or family work only if both parties choose it [synthesis].

4.16 Appreciation laughter (value-based)

Purpose: Pair laughter with a gesture of appreciating others. [source: LYI Information Booklet]
Steps:
1. Join the tips of thumb and index finger into a small circle.
2. Move the hand forward and back in small jerks toward others while laughing gently.
3. Finish with the chant and clapping. [source: LYI Information Booklet]
Example language (illustrative): "Make your 'perfect' sign and send it to people around the room with a gentle laugh."
Watch for: The hand gesture means different things in different cultures; check that it is acceptable in your group, or use an open palm instead [synthesis].

4.17 Gradient laughter (end-of-sequence)

Purpose: Build gradually from smiling to hearty laughter, as a finale to the exercise block. [source: LYI Information Booklet]
Steps:
1. Start with a smile.
2. Move to gentle giggles.
3. Build into hearty laughter for about a minute. [source: LYI Information Booklet]
Example language (illustrative): "Start with just a smile... now a little giggle... let it grow... all the way to a big laugh."
Watch for: This exercise gives the leader control over intensity. With fragile clients, stop at the giggle stage [synthesis].

4.18 Other named exercises (steps not drawn on)

Leader materials also name Hot-soup, Visa-card and Forgiveness laughter, and a trial used Shy, Closed-mouth and Heart-level laughter. Step-by-step instructions for these are not drawn on, so they are not detailed here. [source: Laughter Yoga Windsor session page; Seraj et al. 2025] [uncertain] Learn them in LYI leader training rather than improvising from their names.

4.19 Laughter Meditation

Purpose: Sustained, prompt-free laughter. LYI describes it as becoming spontaneous and effortless, sometimes with tears or sore sides, still without jokes. In the booklet's one-hour format it takes about 15 minutes, after the exercise block. [source: LYI Information Booklet; LYI What is Laughter Yoga page]
Steps: The booklet describes the experience, not a full procedure. Sources say it "starts with warm-ups and moves into deep, natural laughter" [source: LYI What is Laughter Yoga page]. A cautious clinical version [synthesis] [uncertain as to LYI's exact procedure]:
1. The group sits or lies down after the exercise block.
2. The leader starts gentle laughter.
3. People let it rise or fall without exercises.
4. The leader brings it down with gradual quiet and breathing after a set time agreed in advance.
Example language (illustrative): "No more exercises. Just let whatever laughter is there come and go... and now let it settle, and breathe."
Watch for: This is the phase closest to uncontrolled laughter, which the BMJ review identifies as the highest-risk state. Keep it short (a few minutes) with medically or psychologically fragile clients, and keep the leader in charge of ending it. Tears may come; treat them as acceptable and contain them (see 5) [source: BMJ] [synthesis].

4.20 Guided relaxation (yoga nidra style)

Purpose: Settle the body after laughing. The booklet gives about 15 minutes. Some leaders guide attention through the body (yoga nidra) without a fixed sequence. [source: LYI Information Booklet; Laughter Yoga Windsor session page]
Steps:
1. Lie down or sit with eyes closed or lowered.
2. Slow the breathing.
3. Move attention part by part through the body.
4. End by deepening the breath, moving the fingers and toes, and sitting up slowly. [source: Laughter Yoga Windsor session page] [synthesis: the closing steps]
Example language (illustrative): "Let your breath slow down. Notice your feet... your legs... your belly... When you're ready, wiggle your fingers and toes and sit up slowly."
Watch for: Lying down with eyes closed can be unsafe for some trauma survivors. Offer to sit with eyes open, looking at the floor [synthesis]. Watch for postural dizziness when standing up.

4.21 Humming for grounding

Purpose: Ground people who feel emotionally unsettled after intense laughter; the Windsor leaders recommend about 10 minutes. [source: Laughter Yoga Windsor session page]
Steps:
1. Close the eyes or lower the gaze.
2. Hum on the out-breath for as long as is comfortable.
3. Breathe in.
4. Repeat. [source: Laughter Yoga Windsor session page]
Example language (illustrative): "Breathe in, and hum gently as you breathe out, for as long as it's comfortable. Again."
Watch for: This is not in the LYI booklet; it is a leader practice. Use it whenever someone is tearful or agitated at the end [synthesis].

4.22 Closing affirmations

Purpose: End on a shared positive statement. One trial closed every session with repeated affirmations and laughing together, and Kataria mentions chanting a short affirmation in the warm-up. [source: Seraj et al. 2025; Kataria, Ten Questions]
Steps:
1. Choose one short sentence with the group.
2. Say it together two or three times with clapping.
3. End with a final laugh. [source: Seraj et al. 2025] [synthesis: wording chosen with the group]
Example language (illustrative): "Let's choose a closing line together, something like 'I can choose to laugh today.'"
Watch for: Affirmations that feel false to depressed clients. Let them choose neutral wording such as "I took part today" [synthesis].

4.23 Laughing alone (home practice)

Purpose: LYI offers "laughing alone" for people who cannot attend groups, including those with chronic illness or limited mobility. Kataria advises learning in a group first, then practising daily alone. [source: LYI Information Booklet; Kataria, Ten Questions]
Steps:
1. After at least one group or in-session experience, agree a daily slot.
2. Do a few minutes of clapping and chanting, two or three exercises with deep breaths in between, and a short relaxation.
3. Keep a simple log of mood before and after [synthesis]. [source: Kataria, Ten Questions] [synthesis: content and log]
Example language (illustrative): "Would you try five minutes each morning? A short warm-up, one or two of the exercises, then a few slow breaths. Note how you feel before and after."
Watch for: Solo practice is hard without contagion, so expect it to feel more artificial. Online clubs offer group contagion from home [source: LYI Information Booklet; Kataria, Ten Questions]. The 4.1 screening applies equally at home.

4.24 Seated and older-adult adaptation

Purpose: Make it accessible to seniors and people with limited mobility. Kataria highlights its use with inactive seniors; one trial ran eight 45-minute sessions with all techniques seated and certified instructors present. [source: Kataria, Ten Questions; Seraj et al. 2025]
Steps:
1. Seat people in a circle in chairs without wheels.
2. Do clapping and arm movements from the chair.
3. Run 30 to 45 second laughter bouts, each followed by two deep breaths.
4. Include gentle stretches and joint movements between bouts. [source: Seraj et al. 2025; Laughter Yoga Windsor session page]
Example language (illustrative): "Everything today is done in your chair. Move your arms only as far as is comfortable."
Watch for: Fainting, breathlessness, incontinence and falls; keep water available [synthesis]. Sit people with cognitive impairment near staff [synthesis].

4.25 Online laughter sessions

Purpose: Group contagion for people who are housebound or remote. LYI runs online laughter clubs in several time zones, and Kataria endorses online group sessions. [source: LYI Information Booklet; Kataria, Ten Questions]
Steps [synthesis]:
1. Screen first, as in 4.1.
2. Ask people to sit near a chair or sofa.
3. Ask people to have cameras on (if they consent) so eye contact via the screen is possible.
4. Agree an emergency plan: the person's location and an emergency contact.
Example language (illustrative) [synthesis]: "Sit near your sofa or a chair. If you feel dizzy or breathless, stop, sit and raise your hand, and I'll check in with you."
Watch for: You cannot see breathlessness or fainting well on video, so ask people to raise a hand if they are unwell [synthesis].

4.26 Long or intensive laughter sessions (caution)

Purpose: Kataria describes longer intensive programmes that combine laughter with silence and sometimes crying, influenced by Osho, as a cathartic release of "negativity". He describes programmes running one to two weeks, about three hours a day. [source: Kataria, Ten Questions]
Steps: Not described in the sources. [uncertain] Do not run these without LYI teacher-level training.
Example language (illustrative) [synthesis]: "Longer programmes that bring up crying need a different set-up from this one. If you're interested, let's talk about it first, and I'll point you to properly trained leaders."
Watch for: Prolonged laughter and deliberately evoked crying act as an emotional-release or exposure method. They need psychiatric screening, a planned closure, and a therapist available afterwards. They are not suitable for clients with trauma, dissociation, psychosis or bipolar disorder unless that client's treating team has agreed to it [synthesis]. The BMJ review links harm to sustained, uncontrollable laughter [source: BMJ].

4.27 Children and schools

Purpose: LYI lists children and schools as an application. [source: LYI Information Booklet]
Steps: No child-specific LYI protocol is given. [uncertain] Adaptations [synthesis]:
1. Get parent or carer consent and the child's own assent, with a clear opt-out.
2. Use shorter bouts and simple mimes.
3. Never use touch-based exercises without consent.
4. Use no exercise that could be turned into mocking a peer (drop or reframe 4.15).
5. Follow the school's or service's safeguarding policy, and report safeguarding disclosures under local mandatory-reporting duties.
Example language (illustrative) [synthesis]: "Let's pour pretend milkshakes and laugh. You can laugh loudly or quietly, and if you'd rather watch, that's fine too."
Watch for: Giggle incontinence in children [source: BMJ]. Children who are already the target of teasing.

4.28 Brief laughter warm-up inside individual therapy

Purpose: Practice-based use [synthesis], not an LYI protocol: an optional mood and arousal shift, or a skills experiment (for example for a depressed client's behavioural activation, or a shy client), after screening.
Steps [synthesis]:
1. Explain the idea and get consent.
2. Do 1 to 2 minutes of clapping and chanting.
3. Do two or three exercises from 4.8 to 4.17, with the therapist joining in.
4. Take two deep breaths.
5. Ground the client.
6. Ask what they noticed in body and mood, and link it to the treatment goals.
Example language (illustrative): "This is optional and it'll probably feel silly. Shall we try two minutes and see what your body does with it?"
Watch for: Using laughter to avoid painful material. Keep it time-limited, and return to the therapy agenda afterwards [synthesis].

4.29 Referral to a laughter club (social prescribing)

Purpose: Clubs are free, run by volunteers trained as leaders, and meet in parks, halls or online. They work as a community activity alongside therapy, not as therapy. [source: LYI Information Booklet; LYI 2025 newsroom article]
Steps [synthesis]:
1. Check that the leader is LYI-certified and screens participants.
2. Go through 4.1 with the client yourself.
3. Agree what the client will tell you about how it went.
4. Keep clinical content inside therapy; club leaders are not therapists.
Example language (illustrative) [synthesis]: "There's a free laughter club that meets in the park on Saturdays. Before you go, let's check the health questions together, and next time you can tell me how it felt."
Watch for: Clubs say they are locally run and independent of the Dr Kataria School of Laughter Yoga, and that the school accepts no liability for incidents. Check how each club handles screening and liability. [source: Merrie Maggie laughter yoga disclaimer]

4.30 Physical safety and hygiene in the room

Purpose: Reduce the harms the BMJ review reports and the practical risks of a moving group. [source: BMJ] [synthesis]
Steps:
1. No eating, sweets or chewing gum during laughter; the review reports foreign bodies being inhaled with the sharp intake of breath. [source: BMJ]
2. Provide tissues and spacing, and keep people with colds or flu away; laughing spreads exhaled droplets. [source: BMJ; Serious Laughter booking form]
3. Keep the floor clear and chairs available, and walk rather than run in moving exercises. [synthesis]
4. Make toilets accessible and normalise leaving to use them. [synthesis]
5. Know the room's emergency procedure and first-aid cover. [synthesis]
Example language (illustrative) [synthesis]: "No sweets or gum while we laugh. Tissues are here, and the toilet is just outside, so slip out any time."
Watch for: Anyone who becomes pale, breathless, wheezy or faint, or who has chest, abdominal or groin pain, or a headache. Stop that person at once, sit them down, and get medical help if the symptoms do not settle promptly. [source: Merrie Maggie laughter yoga disclaimer: stop and seek expert help] [synthesis: specific signs]

5. Handling problems

The founder's materials address only shyness, inability to laugh and emotional release. The rest of this section is my own guidance [synthesis] unless a source is tagged.

"It feels fake" / cannot laugh.
- Kataria treats deliberate laughter as the expected starting point and asks people not to judge others who laugh for no reason. [source: Kataria, Ten Questions]
- Response: tell the client that faking it is the method. Lower the target to smiling or the chant. Use eye contact with someone who is laughing, and use gradient laughter (4.17). [synthesis]
- If nothing has shifted after several sessions, review whether the method fits the client, and stop without implying failure. [synthesis]
Shyness, embarrassment, social anxiety.
- Kataria: welcome people, never challenge them, and let them do as much as they can; group laughter is meant to feel less threatening because no one is singled out. [source: Kataria, Ten Questions]
- Response: offer an observer role, a seated place at the edge, silent laughter (4.13), and no spotlighting. [synthesis]
Resistance ("this is ridiculous").
- Agree that it is deliberately silly, and frame it as a body experiment the client can judge for themselves. Never push it. A client's refusal is a valid outcome. [synthesis]
Depressed clients feel invalidated or worse.
- Laughter on demand can feel like being told to cheer up. Name and validate the low mood first. Frame the practice as behavioural activation, not as a cure. Use neutral wording in affirmations. [synthesis]
- If hopelessness, shame or suicidal thoughts increase, stop and assess risk using your standard risk-assessment practice; laughter practice never replaces a safety plan. [synthesis]
Tears, grief, emotional flooding.
- Intense sessions can leave people tearful, sad or irritable, and the Windsor leaders use relaxation and humming to ground them. Kataria builds crying into long sessions as catharsis. [source: Laughter Yoga Windsor session page; Kataria, Ten Questions]
- Response: slow the group down; use breathing (4.5) and humming (4.21); give the person a quiet seat with a co-facilitator; check in privately before they leave; and offer follow-up. [synthesis]
- Do not interpret laughter turning into tears as a breakthrough without the client's own account. [synthesis]
Uncontrollable laughter.
- The BMJ review links harm to uncontrollable laughter. [source: BMJ]
- Response: give a calm, clear stop cue, have everyone sit, and lead slow exhalation and humming. If laughter seems pathological (out of keeping with mood, sudden, or stereotyped), refer for medical review; causes include gelastic seizures, stroke, MS and motor neurone disease. [source: BMJ] [synthesis: response]
Physical symptoms during a session (wheeze, cough, chest or abdominal pain, groin bulge, faintness, headache, sudden weakness or collapse, leakage of urine).
- Stop that person at once. [source: Merrie Maggie laughter yoga disclaimer]
- Seat them, call medical help for chest pain, collapse, breathlessness that does not settle, or new neurological signs, and record the incident. [synthesis]
- Sudden collapse with laughter in someone conscious may be cataplexy; keep them safe and refer for assessment. [source: BMJ] [synthesis: response]
- Handle incontinence discreetly and normalise it. [synthesis]
Feeling mocked; a rupture.
- Clients with histories of humiliation, bullying or abuse, or with paranoid ideas, may experience group laughter as aimed at them. [synthesis]
- Response: stop and repair privately; name that the laughter was never about them; drop the face-to-face exercises (especially 4.15); offer to step back from the method. [synthesis]
- If the rupture occurred with a therapist present, process it in the next session. [synthesis]
Mania, hypomania or psychosis.
- Major psychiatric disorders appear on leaders' contraindication lists. [source: Merrie Maggie laughter yoga disclaimer]
- Response: do not use the practice during active episodes; coordinate with the treating psychiatrist before using it in stable illness; watch for over-activation such as rising speech pressure or poor sleep after sessions. [synthesis]
Non-adherence to home practice.
- Expect it: Kataria notes group contagion makes laughter easier than solo practice. [source: Kataria, Ten Questions]
- Response: shorten the home task, link it to an existing routine, offer an online club as a group alternative, and review the mood log without judgement. [synthesis]
Client wants to reduce medication or treatment because of the practice.
- Advise against changing prescribed treatment without their doctor, as leaders' disclaimers state. [source: Merrie Maggie laughter yoga disclaimer]
- Correct the testimonial-based claims about disease cure: laughter yoga is not a treatment for any disease. [source: Ferner and Aronson 2013; LYI Information Booklet] [synthesis: response]
Cultural, religious or spiritual discomfort.
- Some clients may object to yogic framing or to loud laughter in mixed groups. Offer it simply as breathing and laughter exercises, allow quieter participation, and respect a refusal. [synthesis]
- LYI's yogic and acupressure explanations are the organisation's own theory; present them as such. [source: LYI Information Booklet] [synthesis: framing]
Group dynamics (a dominant laugher, someone laughing at another person, sexualised joking).
- Restate the "laugh with, not at" rule. Redirect people to the exercise, and speak privately to anyone who continues. [synthesis]
- The BMJ review half-jokingly notes laughter may lower the threshold for seduction. Keep boundaries professional and touch optional. [source: BMJ] [synthesis]

Sources

Sources:

Further reading (not drawn on): the LYI FAQ and LYI Mental Health pages, and Kataria's books, so book-level session details are not cited.

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