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The breathing exercises

The app offers two exercises: 4-7-8 breathing to wind down and fall asleep, and resonance breathing for calm, even breathing over a few minutes. Pick one via the gear under “Breathing”.

4-7-8 breathing

4-7-8 breathing is a simple breathing exercise popularized by the American physician Dr. Andrew Weil. It draws on pranayama, ancient yogic breathing techniques. The idea: breathe in slowly, hold your breath, and exhale for an especially long time – letting the body settle.

How it works

Place the tip of your tongue on the ridge just behind your upper front teeth and keep it there for the whole exercise. Start by exhaling completely through your mouth, calmly and with an audible whoosh. If you like, the app leads you through this with a short exhale before the first round (the “Exhale first” setting).

Then comes the round itself, in three steps. The circle on the start page guides the timing for you – there is no need to count.

That is one round. Dr. Weil recommends no more than four rounds at a time for the first month, and no more than eight later on. That is why the exercise stops after four rounds by default; you can change this in the settings.

What it can help with

The long exhale is the heart of the exercise: it activates the calming part of the nervous system (the parasympathetic branch). Many people find 4-7-8 breathing helpful to

Resonance breathing

Resonance breathing, also called coherent breathing, is presented by the journalist James Nestor in his book “Breath”. You breathe in and out calmly and evenly, with no pause in between, about 5.5 seconds each way. That makes roughly 5.5 breaths a minute – far fewer than the 12 to 20 we take in everyday life.

How it works

The circle grows as you breathe in and shrinks as you breathe out; there is no need to count. The exercise is meant for a few minutes at a stretch, around 5 to 10 minutes a day. That is why you set a duration here instead of rounds, and the counter shows the time left. If the pace feels too slow, start with 5 seconds – you'll find the setting under “Breathing”.

What it can help with

At this pace, breath and heartbeat fall into a shared rhythm: your pulse rises a little as you breathe in and drops again as you breathe out. This swing, heart rate variability, becomes especially large, which is considered a sign of a balanced nervous system. Unlike 4-7-8 breathing, the exercise doesn't make you sleepy; many people experience it as calm and alert at the same time.

Where 5.5 comes from

Nestor describes how prayers and mantras from many traditions, such as the rosary or the mantra “Om mani padme hum”, are naturally spoken at this breathing rhythm. That exactly 5.5 is ideal for everyone is not established; studies put the favorable range for most adults at about 4.5 to 7 breaths a minute, and all three paces in the app fall within it.

Tips

Please note

These exercises are not a substitute for medical advice or treatment. If you have health concerns or a respiratory or cardiovascular condition, talk to a doctor first.

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