Why do I feel dizzy or tingly during breathing exercises?

You are probably breathing harder than the exercise needs, which lowers carbon dioxide a little too quickly. Make the breaths smaller and quieter, or switch to a rhythm with no holds, such as five seconds in and five out. If it keeps happening, stop and breathe normally; the exercise should feel easy or it is not being done right.

Breathing Exercise for Anxiety and Stress

A quiet, guided breathing exercise for when anxiety or stress has you wound up. Pick box, 4‑7‑8, or calm breathing, press begin, and follow the circle as it grows and settles. A few slow minutes to steady your breathing and take the edge off. Free, in your browser, with nothing to count and nothing to install.

The pacer needs JavaScript to animate, but the techniques work fine without it. For 4‑7‑8, breathe in through your nose for 4 seconds, hold for 7, then out through your mouth for 8. For box breathing, use 4 seconds each for in, hold, out and hold. For calm breathing, breathe in for 5 and out for 5. Repeat for a few slow minutes.

Why slow breathing works

Breathing is the one part of your automatic nervous system you can steer by hand. When you slow your breath, and especially when you stretch the exhale out longer than the inhale, you nudge the body toward its rest state: heart rate eases, muscles let go a little, and the sense of urgency fades. This is measurable, not mystical. Your heart naturally slows slightly on every out-breath, and long exhales lean into that.

An honest framing: a few minutes of paced breathing will not erase real stress or cure insomnia. What it reliably does is take the edge off in the moment, and it gets better with practice. Think of it as a lever you always have in your pocket.

Which rhythm should I pick?

4‑7‑8 is the wind-down. In through the nose for 4, hold for 7, out slowly through the mouth for 8. The long hold and even longer exhale make it the strongest of the three, which is why it is the popular choice for getting to sleep. It is also the most demanding: start with three or four breaths and build up over a couple of weeks rather than diving into a five-minute session.

Box breathing is four equal sides: in for 4, hold for 4, out for 4, hold for 4. It is the steady-under-pressure option, sometimes called square or military breathing, and it is taught to military pilots and first responders for exactly that reason. Good before a difficult conversation, a presentation, or any moment where you want your head level rather than sleepy.

Calm is five seconds in, five seconds out, with no holds. That works out at six breaths a minute, the pace sometimes called coherent breathing, and it is the gentlest thing on this page. If you are new to breathing exercises, or the holds in the other two make you tense up, start here. It is also the best pick for longer sessions.

Getting the most from it

Sit or lie somewhere you can slump. The exercise works best when your body is allowed to be heavy. In bed is fine; that is rather the point of 4‑7‑8.
Breathe low, not big. Let the breath go to your belly rather than heaving your chest and shoulders. Quiet and small beats deep and dramatic.
Do not strain the holds. A hold should feel like a pause, not like being underwater. If a count is uncomfortable, switch to the Calm rhythm; the exhale is doing most of the work anyway.
Same time each day helps. A couple of minutes at bedtime, every night, does more than an occasional heroic session.

A little light-headedness is common at first, particularly with 4‑7‑8. If it happens, stop and breathe normally; it passes in a moment. If you are pregnant or have a heart or lung condition, skip the breath holds and use the Calm rhythm, and check with a clinician if you are unsure. This page is general information, not medical advice.

Frequently asked questions

Does 4-7-8 breathing really help you fall asleep?

It helps many people, with a caveat. The slow pace and long exhale genuinely settle the nervous system, which removes one of the main obstacles to sleep: being wound up. What it cannot do is overpower a body clock that thinks it is the afternoon or a large coffee from 6pm. Use it as the last step of a decent wind-down, not as a rescue for a bad one.

How long should a breathing exercise be?

Less than you would think. Three or four breaths of 4-7-8, or two to five minutes of box or calm breathing, is a real dose. Consistency beats duration: a short session you actually do every day outperforms a long one you do twice and abandon.

Why do I feel dizzy or tingly?

You are probably breathing harder than the exercise needs, which lowers carbon dioxide a little too quickly. Make the breaths smaller and quieter, or switch to the Calm rhythm, which has no holds. If it keeps happening, stop and breathe normally; the exercise should feel easy or it is not being done right.

Should I breathe through my nose or my mouth?

In through the nose, as a rule. For 4-7-8 the traditional form is out through the mouth with a soft whoosh, lips slightly pursed. For box and calm breathing, out through the nose is fine. None of this is worth tensing up over; slow and comfortable matters far more than the route.

What is the best breathing exercise for anxiety?

For an anxious moment right now, box breathing or the Calm rhythm; they steady you without asking for long holds, which can feel claustrophobic when you are already on edge. For general wind-down and sleep, 4-7-8. If anxiety is a daily companion rather than an occasional visitor, breathing exercises are a useful tool but not a treatment; a doctor or therapist is the right next step.

Pairs well with

Breathing exercises are the last step of a good wind-down. The first step is going to bed at a time that fits your sleep cycles; our sleep calculator works that out from your wake-up time. And if your mind will not switch off once you are horizontal, how to fall asleep faster covers what the evidence actually supports. If sleep is the reason you are here, the breathing exercises for sleep page pares this down to the two rhythms that help most at bedtime, and our sleep sounds add a layer of calming noise once you are lying down.