How do you do box breathing, step by step?
Four equal sides: in, hold, out, hold, each for the same count. Here’s the version Cleveland Clinic teaches, with a couple of notes from the trenches.
- Breathe all the way outSlowly, through your mouth, until your lungs feel empty. This is the starting corner of the box.
- In through your nose for 4Quietly, belly first. Count steadily; anxious counting speeds up.
- Hold for 4Soft hold: shoulders down, throat relaxed. You’re pausing, not bracing.
- Out for 4Smooth and even, through your mouth or nose.
- Hold for 4Empty and still. If this side makes you anxious, shorten it to 2 (more on that below).
Cleveland Clinic’s guidance: repeat for three to four rounds, stay at your comfort level, breathe gently, and don’t strain. They suggest practising once or twice a day, whatever your mood, so it’s familiar when you actually need it.
How long should I do box breathing?
Start with 3 or 4 boxes, about a minute. When that feels easy, do 2 to 5 minutes. The maths, because nobody wants to count boxes while doing boxes:
| Box | One box | 2 minutes | 5 minutes |
|---|---|---|---|
| 3-3-3-3 | 12 s | 10 boxes | 25 boxes |
| 4-4-4-4 | 16 s | 7–8 boxes | about 19 |
| 5-5-5-5 | 20 s | 6 boxes | 15 boxes |
So four boxes of 4-4-4-4 take 64 seconds: a neat one-minute starter.
Bigger isn’t better. If a 5-count makes you gasp at the end of the hold, go back to 4. A box you can repeat smoothly beats an impressive one you can’t.
When is box breathing better than a long exhale?
When you need to perform. Box breathing keeps the in-breath and out-breath equal, so it steadies you without tipping you toward drowsiness. Patterns with a long exhale, like 4 in and 6 out, or 4-7-8, lean further toward rest. That’s ideal in bed and less ideal right before you pitch.
| Moment | Try | Why |
|---|---|---|
| Before a talk, exam or interview | Box 4-4-4-4, 2 min | Calm but awake; the holds give your mind something to track |
| Heart pounding, need to settle now | Extended exhale 4-6 | No holds to manage; the long out-breath does the work |
| In bed, lights off | 4-7-8 or 6 in, 8 out | Slower, exhale-heavy, made for winding down |
| Between work blocks | Box or quick reset 3-5, 1–2 min | Short enough to actually do |
One honest footnote. In a 2023 randomised trial from Stanford (Balban and colleagues), people who did five minutes of breathing a day for a month felt better than people who meditated for the same time. Box breathing was one of the three methods tested, but on its own it did not differ significantly from meditation; the exhale-focused “cyclic sighing” group improved most. So if your goal is feeling better day to day, rather than steadying yourself for a moment, give exhale-heavy breathing a fair go too. The calm-down-fast guide covers it.
Is box breathing safe? Who should skip the holds?
For most people, gentle box breathing is a low-risk exercise. A few sensible rules:
- Stop if you feel dizzy or light-headed. Shorten the count or drop the holds.
- Holds make you panicky? Do 4 in, 4 out with no holds. That’s still a calm, even rhythm.
- Heart or lung condition, or pregnant? Check with your doctor before practising breath holds, and use the no-hold version meanwhile.
- Sit or lie down for the holds. And never practise breath-holding in water.
Why is it called box breathing?
Because it has four equal sides, like a square: you can trace one with your finger, in-hold-out-hold. It also goes by “square breathing” and “four-square breathing”. Cleveland Clinic notes it’s a technique used by US Navy SEALs, which is mostly why it became famous.
How do I do box breathing on iPhone or Apple Watch?
Apple’s built-in Breathe session in the Mindfulness app sets a steady breathing rate (4 to 10 breaths a minute) for 1 to 5 minutes, with no hold phases, so it can’t pace a box. You need an app that does holds. In ATHA:
- Open Box BreathingFrom Explore, or tap Before a meeting in What do you need? and ATHA picks a short focus practice for you.
- Pick a lengthThe default is 5 minutes; choose 1, 2 or 3 while you learn. Anything from 1 to 60 minutes works.
- Follow the boxBox Breathing has its own visual: a glowing orb travels one side of a rounded square for each phase, with the four phases labelled underneath.
- Close your eyes if you likeA haptic tap marks every phase change, and Eyes closed view dims the screen and keeps it on, so the cues keep going.
- Or take it to your wristMark Box Breathing as a favourite on your iPhone and it appears on Apple Watch, where it runs for 5 minutes with haptic taps and keeps going with your wrist down. Swipe to the controls to stop early.
Common questions
How many rounds of box breathing should I do?
Three or four rounds (about a minute at 4 seconds a side) while you learn, as Cleveland Clinic suggests. After that, two to five minutes is plenty: roughly 8 to 19 boxes at 4-4-4-4.
Does box breathing have to be 4 seconds?
No. Keep the four sides equal and pick a count you can repeat smoothly: 3 seconds if 4 feels long, 5 if 4 feels easy. Straining defeats the purpose.
Is box breathing good for anxiety?
It can help you feel steadier in the moment. In a 2023 randomised trial, breathwork as a whole lifted mood more than mindfulness meditation, but box breathing on its own did not differ significantly, and anxiety fell similarly in all groups. It isn’t a treatment for an anxiety disorder.
Can I do box breathing before sleep?
You can, but patterns with a longer exhale, like 4 in and 6 to 8 out or 4-7-8, suit bedtime better. Box breathing shines when you need to stay alert.
Is box breathing the same as square or tactical breathing?
Yes. Box breathing, square breathing and tactical breathing usually describe the same equal four-part pattern: in, hold, out, hold.
Sources
Checked on 15 October 2026.
- Cleveland Clinic: How box breathing can help you destress · 17 August 2021.
- Balban MY et al. Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine, 2023 · Randomised trial, 108 participants, 5 minutes a day for 28 days.
- App Store: Mindfulness (Apple)
ATHA is a breathing and mindfulness app, not a medical device, and this page is not medical advice. Stop any exercise that makes you dizzy or unwell, and talk to a doctor if you have a heart or lung condition or are pregnant.
