What is breath of fire?

A yogic breathing practice, kapalabhati in Sanskrit, of short sharp exhales driven by the belly with passive inhales, at one to two breaths a second, in rounds of twenty to sixty. It is the opposite of every slow technique on this site: it raises arousal rather than lowering it, and it is used for energy and alertness, traditionally in the morning. Kundalini yoga made the English name common.

What does breath of fire do?

It raises heart rate and adrenaline, warms the body, works the abdominal muscles and the diaphragm, and lowers carbon dioxide, which is what produces the buzzing, lightheaded feeling people describe as energy. Short rounds leave most people alert and clear-headed for a while afterwards. Claims about detoxing, burning fat or oxygenating the blood beyond normal are not supported; the blood is already almost fully saturated with oxygen at rest.

Is breath of fire the same as bellows breath or Wim Hof breathing?

Related, not the same. Breath of fire has a sharp exhale and a passive inhale. Bellows breath, bhastrika, forces both the inhale and the exhale, slower and harder. Wim Hof breathing is thirty to forty deep full breaths followed by a long breath hold on empty lungs, then a recovery breath, in rounds. All three are fast breathing that raises arousal and lowers carbon dioxide; the Wim Hof hold is the part with the injury reports.

Who should not do breath of fire?

Anyone pregnant or menstruating heavily, with high blood pressure, a heart condition, epilepsy, glaucoma, a hernia, recent abdominal or chest surgery, vertigo, panic disorder, or a respiratory infection. Not on a full stomach, not in or near water, and not as the first breathing exercise you learn. If you are not sure, the slow techniques deliver the calm and focus most people are after with none of the cautions.

How long should you do breath of fire?

Twenty exhales at one a second to begin, then a rest, two or three rounds in a session, a few mornings a week. Experienced practitioners build to a minute or more per round at two a second. Longer is not better; if a round leaves you dizzy it was too long or too fast.

Is there an app for breath of fire?

Braele does not pace fast breathing on purpose: the pattern is set by the belly, not a clock, and a timer would push people to go faster than is safe. The app has the gentle 2-2 energizing pattern for a morning lift, and the slow patterns for everything else, with a voice that counts and haptics that mark each phase. Box breathing and the physiological sigh are free forever; no account, no ads, works offline.

Breath of fire

Kapalabhati · sharp out, passive in, from the belly

Breath of fire is the fast one: short sharp exhales snapped out by the belly, one or two a second, the inhale happening on its own in between. It wakes you up rather than calming you down, it is the practice with the longest list of cautions on this site, and it is not one a timer should pace. The steps are below, honestly. The gentle 2-2 pattern in the timer is the place to start if fast breathing is new to you.

Tap a pattern and breathe along right here. Free, no download needed.

Step by step

How to do it

1
Sit tall, empty stomach, hand on the belly
Upright on a chair or the floor, at least two hours after eating. A hand on the belly for the first few rounds tells you whether the belly is doing the work; it should be the only thing moving.
2
Sharp exhale through the nose
Breathe in about halfway, then snap the belly in to push a short, sharp puff of air out through the nose, as if blowing out a candle with the stomach. That is the whole active movement.
3
Let the inhale happen
Relax the belly and air comes in on its own, about as much as went out. Do not pull it in. If you find yourself inhaling actively, slow down; the effort belongs to the exhale only.
4
Twenty at one a second, then rest
Chest and shoulders still, face soft, rhythm even. After twenty, take one slow breath in, one slow breath out, and breathe normally for thirty seconds. Two or three rounds is a session; a few mornings a week is plenty.
5
Stop at any dizziness
Lightheadedness, tingling, a racing heart or a headache mean the round was too long or too fast. Sit, breathe slowly through the nose, and let it pass. It always does; the point is not to push through it.

What it does

Fast breathing raises heart rate and adrenaline, warms the body, and works the abdominal muscles and the diaphragm hard, which is why the belly feels it the next day. It also lowers carbon dioxide, and low carbon dioxide narrows blood vessels to the brain: that is the buzzing, lightheaded, bright feeling people describe as energy, and it is also why the cautions exist. Short rounds leave most people alert and clear for a while afterwards. Nothing about it detoxes, burns fat or super-oxygenates the blood, which is already almost fully saturated at rest; those claims are marketing.

Breath of fire, bellows breath, Wim Hof

Three fast practices, often confused. Breath of fire: sharp exhale, passive inhale, one to two a second. Bellows breath, bhastrika: both inhale and exhale forced, slower and harder, in rounds of ten to twenty. Wim Hof: thirty to forty full deep breaths, then a long hold on empty lungs, then a recovery breath, repeated; the hold is where the fainting and the drowning reports come from, which is why it is never done in water. All three sit on the fast side of breathwork, and all three share the same list of people who should not do them.

Who should skip it, and what to do instead

Not in pregnancy, not with high blood pressure, a heart condition, epilepsy, glaucoma, a hernia, recent surgery, vertigo, panic disorder or a chest infection, not on a full stomach, and not as your first breathing exercise. That rules out a lot of people, and for most of them the thing they wanted, energy and focus in the morning, comes from the gentle 2-2 pattern in the timer above, or from a brisk walk and daylight. The slow practices on the pranayama page are the ones to learn first; breath of fire can wait until sama vritti and nadi shodhana are easy, and for many people it can wait forever.

Questions

What people ask

What is breath of fire?: A yogic breathing practice, kapalabhati in Sanskrit, of short sharp exhales driven by the belly with passive inhales, at one to two breaths a second, in rounds of twenty to sixty. It is the opposite of every slow technique on this site: it raises arousal rather than lowering it, and it is used for energy and alertness, traditionally in the morning. Kundalini yoga made the English name common.
What does breath of fire do?: It raises heart rate and adrenaline, warms the body, works the abdominal muscles and the diaphragm, and lowers carbon dioxide, which is what produces the buzzing, lightheaded feeling people describe as energy. Short rounds leave most people alert and clear-headed for a while afterwards. Claims about detoxing, burning fat or oxygenating the blood beyond normal are not supported; the blood is already almost fully saturated with oxygen at rest.
Is breath of fire the same as bellows breath or Wim Hof breathing?: Related, not the same. Breath of fire has a sharp exhale and a passive inhale. Bellows breath, bhastrika, forces both the inhale and the exhale, slower and harder. Wim Hof breathing is thirty to forty deep full breaths followed by a long breath hold on empty lungs, then a recovery breath, in rounds. All three are fast breathing that raises arousal and lowers carbon dioxide; the Wim Hof hold is the part with the injury reports.
Who should not do breath of fire?: Anyone pregnant or menstruating heavily, with high blood pressure, a heart condition, epilepsy, glaucoma, a hernia, recent abdominal or chest surgery, vertigo, panic disorder, or a respiratory infection. Not on a full stomach, not in or near water, and not as the first breathing exercise you learn. If you are not sure, the slow techniques deliver the calm and focus most people are after with none of the cautions.
How long should you do breath of fire?: Twenty exhales at one a second to begin, then a rest, two or three rounds in a session, a few mornings a week. Experienced practitioners build to a minute or more per round at two a second. Longer is not better; if a round leaves you dizzy it was too long or too fast.
Is there an app for breath of fire?: Braele does not pace fast breathing on purpose: the pattern is set by the belly, not a clock, and a timer would push people to go faster than is safe. The app has the gentle 2-2 energizing pattern for a morning lift, and the slow patterns for everything else, with a voice that counts and haptics that mark each phase. Box breathing and the physiological sigh are free forever; no account, no ads, works offline.

The gentle lift, and the slow settle

Braele paces the 2-2 energizing breath for the morning and every slow pattern for the rest of the day, with a voice that counts and haptics you can follow eyes-closed. Box breathing and the physiological sigh are free forever on the App Store.

Downloadon the App Store