Breathing exercises for sleep: a simple routine for winding down

Sleep can't be forced. The harder you try, the more awake you become. What you can do is create the conditions for it: a slower heart, softer muscles and a mind with something quiet to hold. Breathing is one of the easiest ways to get there, because it is always with you, it needs no light or screen, and it works lying down in the dark.

Why breathing helps you wind down

To fall asleep, the body has to shift from alert to resting. Slow breathing nudges it in that direction. Each slow out-breath slows the heart a little, through the vagus nerve, and breathing at around six breaths a minute is consistently associated with more parasympathetic, "rest and recover" activity (Zaccaro et al., 2018). There is more on this in why breathing out slowly calms you.

Breathing exercises also help in a less obvious way: they give your attention a job. A lot of sleeplessness is not about the body at all but about a mind that keeps replaying the day or rehearsing tomorrow. Following a count is a gentle way to step out of that loop.

Four breathing exercises for sleep

1. Slow breathing with a long exhale

Breathe in through your nose for four counts, and out through your nose or mouth for six. No holds. Keep it soft and quiet, without filling your lungs to the top. This is the easiest place to start, and the extended exhale that Calmalo guides you through.

2. 4-7-8 breathing

Breathe in for four, hold for seven, breathe out for eight. The hold and the long exhale slow your breathing right down. Start with four rounds. If the hold is uncomfortable, count faster or skip it. There is a full guide to 4-7-8 breathing.

3. Belly breathing

Lie on your back with one hand on your chest and one on your belly. Breathe so that the hand on your belly rises and falls while the chest stays fairly still. This encourages slower, deeper breathing through the diaphragm, and the feeling of the hand moving gives your mind something physical to follow.

4. Counting breaths

Breathe naturally and count each exhale: one, two, three, up to ten, then start again at one. If you lose count, which you will, simply start again. There is no wrong way to do it. Losing count often means you are drifting off.

A ten-minute routine for bedtime

1. Lights low, phone away. Put the phone out of reach, or at least face down.
2. Two minutes of belly breathing to settle into the bed and notice your body.
3. Four rounds of 4-7-8, or two minutes of in-four, out-six, to slow everything down.
4. Let the count go. Breathe naturally and count exhales from one to ten until you no longer care about counting.

The goal is not to fall asleep by the end. The goal is to be relaxed and unbothered about whether you do. Sleep tends to come on its own from there.

If you wake up in the night

Waking in the night is normal. What keeps people awake is usually what happens next: checking the time, calculating how many hours are left, and starting to worry. Instead, try a few minutes of slow breathing with a long exhale, without looking at a screen. If you have been awake for what feels like more than twenty minutes, get up, go somewhere dim and do something quiet until you feel sleepy again. This is standard advice for insomnia (NHS), and there is more on it in how to stop overthinking at night.

What the research says

The evidence is encouraging but still young. In one study, young adults who practised fifteen minutes of slow breathing, at six breaths a minute, before bed for thirty days reported better sleep quality than a group who used social media instead (Laborde et al., 2019). Researchers have also proposed slow, controlled breathing as a useful addition to standard treatment for insomnia, because it targets the over-arousal that keeps many people awake (Jerath et al., 2019).

These studies are small, and breathing is not a cure for insomnia. Think of it as one part of good sleep habits, alongside a regular wake-up time, daylight in the morning, and less caffeine and screen time in the evening (NHS Every Mind Matters).

When to talk to a doctor

If you have trouble sleeping most nights for more than a few weeks, it affects your days, or you snore loudly and wake up gasping or exhausted, talk to a doctor. Insomnia responds well to treatment, especially cognitive behavioural therapy for insomnia, and some sleep problems, such as sleep apnoea, need to be checked medically.

Frequently asked questions

What is the best breathing exercise for sleep?

There is no single best one. Slow breathing with an exhale longer than the inhale, such as in for four and out for six, is the easiest place to start. 4-7-8 breathing is a popular alternative. The best exercise is the one you find relaxing and will actually do.

How long should I do breathing exercises before bed?

Five to ten minutes is plenty. Studies have used around fifteen minutes a day, but even a couple of minutes can help you relax. Regular practice matters more than long sessions.

Can breathing exercises cure insomnia?

No. They can help you relax and fall asleep more easily, and they work well alongside other sleep habits. Persistent insomnia is best treated with help from a doctor, often with cognitive behavioural therapy for insomnia.

Should I breathe through my nose or mouth for sleep?

Breathing in through your nose is usually more comfortable and tends to be slower. You can breathe out through your nose or mouth, whichever feels more relaxing.

What should I do if focusing on my breath makes me more awake?

That happens to some people. Make the breath softer and stop trying to control it, or move your attention elsewhere, for example to the feeling of your body against the bed, or to sounds in the room.

Sources

1. Jerath, R., Beveridge, C., & Barnes, V. A. (2019). Self-regulation of breathing as an adjunctive treatment of insomnia. Frontiers in Psychiatry, 9, 780. doi:10.3389/fpsyt.2018.00780
2. Laborde, S., Hosang, T., Mosley, E., & Dosseville, F. (2019). Influence of a 30-day slow-paced breathing intervention compared to social media use on subjective sleep quality and cardiac vagal activity. Journal of Clinical Medicine, 8(2), 193. doi:10.3390/jcm8020193
3. NHS. Insomnia. nhs.uk/conditions/insomnia
4. NHS Every Mind Matters. How to fall asleep faster and sleep better. nhs.uk/every-mind-matters
5. Zaccaro, A., et al. (2018). How breath-control can change your life: a systematic review on psycho-physiological correlates of slow breathing. Frontiers in Human Neuroscience, 12, 353. doi:10.3389/fnhum.2018.00353