4 Breathing Exercises for Sleep: Steps, Safety & Evidence

The short answer: try slow, comfortable breathing for a few minutes during your wind-down. Cyclic sighing uses two inhales and one long exhale; 4-7-8 and box breathing add counts; diaphragmatic breathing keeps the pattern simple. Research hasn’t found one exercise that makes everyone fall asleep faster. Stop if you feel dizzy or strained.

Exercise	Pattern	Best fit	Skip or modify when
Cyclic sighing	Two inhales, long exhale	You want a brief reset	Deep breaths make you lightheaded
4-7-8	Inhale 4, hold 7, exhale 8	Counting settles your attention	Breath holds feel tense
Box breathing	Inhale, hold, exhale, hold equally	You prefer an even rhythm	Empty-lung holds are uncomfortable
Belly breathing	Easy inhale, slower exhale	You want no fixed count	Lying flat affects your breathing

Relaxation exercises can be part of a bedtime routine, but they aren’t a treatment for persistent insomnia. Cognitive behavioral therapy for insomnia (CBT-I) is the most strongly recommended treatment for chronic insomnia, according to the National Center for Complementary and Integrative Health.

Before you begin

Sit supported or lie in a position where breathing feels easy. Loosen anything tight around your waist or chest. Keep each inhale smaller than a maximum breath; forcing air in can make lightheadedness more likely.

If you have a heart or lung condition, are pregnant, or have had panic symptoms triggered by breath control, ask a clinician if structured breathwork suits you. Never practise it in water or while driving.

1. Cyclic sighing

Cyclic sighing is a repeated double inhale followed by a longer exhale. A 2023 randomized remote trial compared five minutes a day of cyclic sighing, box breathing, cyclic hyperventilation, and mindfulness meditation for one month. Cyclic sighing produced the largest improvement in the study’s positive-mood measure and lowered breathing rate. The study measured awake adults, not insomnia or time to fall asleep (Balban et al., 2023).

How to try it:

1. Inhale gently through your nose.
2. Take a second, smaller inhale to top up the first.
3. Exhale slowly through your mouth until the lungs feel comfortably empty.
4. Repeat for one to five minutes, without rushing.

The second inhale is small. If the pattern makes you gulp air, return to normal breathing.

2. 4-7-8 breathing

The 4-7-8 pattern gives the mind a count and makes the exhale longer than the inhale. Research on slow breathing can support relaxation as a general mechanism, but the named 4-7-8 routine doesn’t have a definitive sleep-onset trial behind it.

How to try it:

1. Exhale comfortably.
2. Inhale through your nose for a count of 4.
3. Hold for a count of 7.
4. Exhale through your mouth for a count of 8.
5. Begin with four cycles.

The count isn’t a stopwatch. Speed up the whole ratio or shorten the hold if seven counts feels difficult. A gentle 4 in, 6 out pattern is a reasonable no-hold alternative.

3. Box breathing

Box breathing uses four equal phases. It can feel orderly, but breath retention may be too activating for bedtime for some people.

How to try it:

1. Inhale for 4.
2. Hold for 4.
3. Exhale for 4.
4. Hold with the lungs comfortably empty for 4.
5. Repeat for one to three minutes.

Shorten or remove either hold if you start waiting tensely for the next breath. The 2023 Balban trial included box breathing, but its outcomes were mood and breathing rate rather than sleep.

4. Diaphragmatic breathing

Diaphragmatic, or belly, breathing is the least prescriptive option. The aim is to let the abdomen move while the shoulders stay quiet, not to take the deepest possible breath.

How to try it:

1. Put one hand on your upper chest and the other on your abdomen.
2. Inhale gently through your nose and feel the lower hand rise.
3. Exhale without pushing, letting the abdomen fall.
4. Continue for five minutes. Make the exhale a little longer only if that remains comfortable.

You can use belly breathing on its own or as the base for another pattern. NCCIH includes deep breathing among relaxation techniques, while advising people to discuss their use for a health condition with a healthcare provider (NCCIH relaxation guidance).

A simple five-minute bedtime routine

1. Choose one pattern before getting into bed.
2. Settle into a supported position and take three normal breaths.
3. Practise for two to five minutes without chasing a result.
4. Stop counting when it starts to feel like work.
5. Return to normal breathing and continue your usual wind-down.

Breathing is easier to repeat when it remains a small part of bedtime. If you spend a long time trying to force sleep, get out of bed and return when sleepy rather than turning the exercise into a test.

Pair breathing with a steady background

A quiet, continuous sound can reduce the contrast of traffic and closing doors while you follow the breath. It doesn’t strengthen the exercise itself. Keep it low enough that you don’t have to compete with it.

Read how ambient sound fits into a bedtime routine for practical guidance on volume and timers.

Frequently asked questions

Which breathing exercise is best for sleep?

No single pattern has strong evidence as the best sleep exercise. Choose the one you can perform without strain. Belly breathing avoids fixed holds; cyclic sighing is brief; 4-7-8 suits people who like counting.

How long does 4-7-8 breathing take to work?

There is no reliable countdown. Four cycles take about a minute for many people, but the exercise may not make you sleepy. Stop if the hold feels uncomfortable or you become lightheaded.

Can breathing exercises treat insomnia?

Breathing can support relaxation, but it isn’t a stand-alone treatment for chronic insomnia. If sleep difficulty happens often, lasts for months, or affects daytime function, speak with a clinician. CBT-I has much stronger clinical support.

What should I do if breathing exercises make me anxious?

Stop the count and breathe normally. Some people find breath holding or close attention to breathing uncomfortable. A body scan, progressive muscle relaxation, or a quiet sound may suit you better.

Related guides

• NSDR for sleep: what it is and what the evidence says
• How sound affects sleep quality
• Best sounds for deep sleep
• The Huberman sleep routine, with evidence graded

Filip Kowalski is the developer of Slo and writes about sound, sleep, and focus.