Long exhale 4-8

How to do it

1. Sit tall or lie on your back. Close your mouth and let your shoulders and jaw go soft.
2. Take two or three breaths at your own pace, just to notice how you're arriving.
3. Breathe in through your nose for 4 seconds, without filling all the way up. Let your belly move first.
4. Breathe out through your nose for 8 seconds. Ration the air so it lasts: it leaves in a thin, even stream from the first second.
5. Breathe in again without pausing. Each cycle takes 12 seconds, which works out to five breaths a minute.
6. Keep going for 5 minutes, or 25 cycles. If you run short of air at any point, take one normal breath and pick it back up.
7. To finish, drop the count and breathe at your own pace for a moment before you get up.

What long exhale 4-8 breathing is

It's a slow, two-phase breath: 4 seconds to take air in and 8 to let it out, always through the nose. There are no holds and no rests. At 12 seconds a cycle you land at five breaths a minute, where most people at rest take somewhere between 10 and 20.

It looks like its neighbors, but it isn't the same. 4-6 breathing stretches the exhale only a little and is easier. 2-to-1 breathing uses the same ratio with short counts, 3 and 6. The 4-8 is the next step up: same idea, with an exhale long enough to ask for some control.

Where it comes from

Nobody invented breathing out for twice as long as you breathe in, and it has no birth date. It's a simple ratio that shows up in plenty of breathing and yoga classes, and it isn't clear who proposed it first.

Yoga did write it down. The manuals from Yoga Publication Trust, the publisher of Swami Satyananda Saraswati and his disciples, teach the 1:2 ratio as one of the early stages of alternate nostril breathing, before any holds are added. In Prana and Pranayama, Swami Niranjanananda Saraswati says that ratio gives profound relaxation. That's the tradition's claim, not a measurement.

Labs started comparing inhale-to-exhale ratios much later. The studies cited below date from 2014 onward.

What people use it for

Many people use it to wind down at the end of the day, in bed or a little before. It's quiet and has no breath holds, so it won't wake anyone and it doesn't take effort.

Others use it ahead of something that needs attention: a long read, an exam, a hard conversation. Counting to eight gives your mind one simple job, which helps when your thoughts keep circling.

It also works as air-control practice. Singers, public speakers and wind players will recognize the feeling of releasing air in a steady thread.

What the studies say

The idea that slow breathing is relaxing has some support. A 2018 review pulled together 15 studies in healthy adults, using techniques under 10 breaths a minute. It links them with higher heart rate variability and with more reported comfort and relaxation. The authors note that the evidence is limited and that none of those studies was a randomized trial.

Whether a longer exhale adds anything is less clear. A 2014 study of 30 people compared an exhale longer than the inhale with the reverse, at 6 and at 12 breaths a minute. With the long exhale, people said they felt more relaxed and less stressed. A 2024 paper, though, looked back at nine studies of that ratio and counted four different conclusions. Its own experiments, with 26 and 16 people, compared a 1:2 ratio with 1:1 at six breaths a minute and found no difference in heart rate variability.

There's one nearby finding. In a 2023 Stanford University trial of 108 people, those who practiced cyclic sighing five minutes a day for a month improved their mood more than those who meditated. That technique also leans on a long exhale, but it uses two inhales and goes out through the mouth. Take it as a hint, not as proof for the 4-8 pattern.

What it feels like and what to notice

Eight seconds of exhale feels long the first few times. It's normal to run out of air around 6 at first, or for the next inhale to come in a hurry. That improves once you let the air go very slowly from the start.

Around the second or third minute, the exhale tends to become the most restful part of the cycle. Some people notice warmer hands, yawning or heavy eyelids.

If you get dizzy, feel tingling in your hands or around your mouth, or feel short of breath, stop and breathe normally. It almost always means you're taking in too much air on each inhale.

Variations

• Easier: 2-to-1 breathing uses the same ratio with 3 seconds in and 6 seconds out. 4-6 breathing is another good step before this one.
• Longer: 5 seconds in and 10 seconds out, four breaths a minute. Only once 4-8 feels comfortable from start to finish.
• Traditional: in yoga, the 1:2 ratio is practiced while alternating nostrils, in through one and out through the other.
• With a pause: 4-4-8 breathing adds a short hold with the air in.
• Growing by itself: in the lengthening breath, the exhale starts at 6 seconds and gets longer little by little.

Common mistakes

• Running out of air before 8. You're letting go too fast at the start. Slow the flow from the very first second.
• Making up for it with a huge inhale. If you need to gulp air after the exhale, the pattern is too big for now. Go back to 4-6.
• Pushing the last of the air out. You don't need to empty yourself. The exhale ends when the count ends, not when nothing is left.
• Breathing out through your mouth. Here everything goes through the nose, which slows the air down for you.
• Tightening your belly and shoulders. The exhale is a release, not a push.

How often and how long

The guided session runs 5 minutes. Once a day is a good place to start, at a time you can repeat: when you wake up, when you close out work, or in bed.

There's no proven dose. In the Stanford trial, people practiced five minutes a day for 28 days, with other techniques. One or two minutes count too, if that's what you have. What matters more is that it's comfortable and that you come back to it.

Before you start

• If you feel dizzy, tingly or short of breath, stop and breathe normally.
• Don't force the exhale until you're out of air. If it's a struggle, use a shorter version.
• Don't practice while driving or in water.
• If you're pregnant or have a heart, lung or blood pressure condition, check with your care provider first.