Page 25 of the book, in Pranayama
Box Breathing: How to Do It, Who Should Skip It
Box breathing, step by step: the four-count pattern, easier and harder versions, what research shows compared with other techniques, and who should skip the breath holds.
Box breathing is a simple four-part pattern: breathe in for a count of four, hold for four, breathe out for four, and hold empty for four, then repeat. It's popular in military, police and first-responder training because it's easy to remember under pressure and gives a racing mind a steady rhythm to follow. It's a good tool for focus. If you want the technique with the strongest evidence for mood, though, cyclic sighing edged it out in the best head-to-head trial.
How to do it
- Sit upright with your feet flat and shoulders relaxed. You can also stand.
- Breathe out fully to begin.
- Breathe in through your nose for a slow count of four.
- Hold gently for four. Keep your throat and shoulders soft rather than locked.
- Breathe out through your nose or mouth for four.
- Hold empty for four.
- Repeat for two to five minutes, or for four rounds if you're short on time.
Some people like to trace a square with a finger on their leg or desk, one side per count of four. It gives your attention something to follow.
Easier and harder versions
| Version | Pattern | Good for |
|---|---|---|
| Short box | 3 in, 3 hold, 3 out, 3 hold | Beginners, or when four counts feels too long |
| No-hold version | 4 in, 4 out | Anyone who dislikes holds, pregnancy, anxiety that worsens with holds |
| Classic box | 4-4-4-4 | Most people |
| Long exhale box | 4 in, 4 hold, 6 out, 2 hold | Winding down, since it lengthens the calming out-breath |
| Extended box | 5-5-5-5 or 6-6-6-6 | Experienced practitioners who find four too easy |
What the research shows
In a 2023 Stanford study published in Cell Reports Medicine, 111 healthy adults were randomly assigned to five minutes a day of cyclic sighing, box breathing, fast "cyclic hyperventilation" breathing, or mindfulness meditation for a month. All the breathing groups improved their daily mood more than the meditation group did. Cyclic sighing, which emphasizes a long exhale, produced the biggest improvement in positive mood and the largest drop in breathing rate. Box breathing helped, just a little less.
The study included healthy volunteers, not people with anxiety disorders, and it's one trial. But it suggests a practical rule: box breathing is excellent for steadying focus; for simply calming down, a longer out-breath may work a little better. Our comparison of cyclic sighing, box breathing and 4-7-8 goes through all three.
When box breathing works best
- Right before a presentation, interview, exam or difficult conversation.
- When you need to stay alert and calm at the same time, such as before driving in bad weather.
- When your mind is scattered and needs a steady rhythm to follow.
- As a short daily practice to build breath control.
Who should skip or modify the holds
Common mistakes
- Counting too fast. Each count should be about a second. Rushing turns calm breathing into fast breathing.
- Straining on the holds. A hold should feel like a pause, not a struggle. Shorten it if you're tensing up.
- Huge inhales. Fill comfortably, not to bursting.
- Only using it in emergencies. Two minutes on calm days makes it far easier to use under stress.
Myths and facts
| You may have heard | What's actually true |
|---|---|
| Box breathing is the best calming technique | It helps, but cyclic sighing did slightly better for mood in a head-to-head trial |
| Longer holds are always better | Holds should feel easy; straining defeats the purpose |
| You must count exactly four seconds | The even rhythm matters more than the exact count; three works well too |
| It only works for soldiers and athletes | Anyone can use it, from students before exams to parents at bedtime |
| It's safe for everyone as written | People who are pregnant or have heart or lung conditions should skip the holds |
Common questions
Why is it called Navy SEAL breathing?
The technique was popularized by former military trainers who taught it for staying calm under pressure. The pattern itself is much older and resembles breathing exercises found in yoga.
How long until it works?
Many people feel steadier within a minute or two. Regular practice seems to bring bigger benefits than occasional use.
Is box breathing good for sleep?
It can help, but a pattern with a longer exhale, like 4-7-8 or the long-exhale box above, tends to feel more sleep-friendly.
Can children do it?
Yes. Use a shorter count, such as three, and trace a square together. Skip holds for very young children. Our guide to calming breaths for kids and teens has more ideas.
Related guides
- Breathing for panic attacks: a wallet card
- Pranayama for beginners: a safe learning path
- Breathing for public speaking nerves
Sources
- Balban MY et al. Brief structured respiration practices enhance mood and reduce physiological arousal. Cell Reports Medicine, 2023 — box breathing compared with cyclic sighing and mindfulness
- Stanford Medicine: Cyclic sighing can help breathe away anxiety — plain-language summary
