Breathing Exercises for Anxiety: Which One to Use, and When

Your heart is pounding. Your chest is tight. Someone, maybe you, says just breathe. Breathe how? For how long?

Breathing exercises are ways of changing the pace and shape of the breath on purpose. And they are not all the same. Some work fast, for when the heart is racing. Some are slow, for falling asleep. Some are for focus. Picking the right one for the moment makes a real difference.

The thing most of them share: the breath out is as long as, or longer than, the breath in. A long, slow breath out is one of the quickest ways to tell the body it can slow down.

How breathing helps anxiety

Anxiety speeds the breath up. Fast, shallow breathing is part of the body getting ready for danger, and it can feed the feeling too: a tight chest, tingling hands, a sense that something is wrong.

Slowing the breath works the other way. Slow breathing, especially with a long breath out, is linked to more activity in the vagus nerve and the body's rest and recovery system. The heart naturally slows a little on every breath out. Do that for a minute, and the body starts to come down.

Breathing does not solve what you are anxious about. But it brings the body back to a place where you can think about it clearly.

Which breathing exercise for which moment

Each exercise in the last column opens in ThirdVoice, with a voice that guides you through it.

When anxiety hits mid-conversation: how ThirdVoice helps

You do not have to remember this table in the middle of panic. Anxiety rarely waits for a good time. It shows up halfway through something: a conversation, a text you just read, a memory that came back. ThirdVoice is built for that moment.

In the chat. If anxiety hits while you are talking to ThirdVoice, tell it. It stops trying to fix the problem, keeps its messages short, and walks you through the breath and grounding, one step at a time.

ThirdVoice Private and encrypted

my chest is so tight and my heart won’t slow down. i can’t stop shaking

I’m right here. Put your feet flat on the floor. Feel them. Now breathe in through your nose for 4… and out through your mouth for 6. Slow.

ok. doing it

Good. A few more like that. Now tell me one thing you can see right now.

In Breathe. Each exercise below is built in, named for the moment it is for, with a calm voice that counts for you: Calm down fast, Stop the spiral, Focus again, Quick reset, Daily calm, After stress, and Wind down.

With SOS. If typing feels like too much, the SOS button guides you through slow breathing and 5-4-3-2-1 grounding with a voice, one screen at a time.

After. Breathing helps the body. ThirdVoice also helps with the part breathing cannot reach: the thought underneath. When an exercise ends, it asks if you are still tense, and you can talk it through right there. It remembers, so if your anxiety spikes every time a certain person texts, or every Sunday night, it can help you see that pattern and work on it, instead of only breathing through it again next week.

Breathe is free with a ThirdVoice account.

1. Physiological sigh, for panic

A physiological sigh is something the body already does on its own, like the shaky double breath after crying. Doing it on purpose is one of the fastest ways to calm down.

1. Breathe in deeply through your nose, until your belly is full.
2. Take one more short, sharp breath in through your nose on top of it.
3. Breathe out slowly through your mouth, all the way, until you are empty.

One to three sighs is usually enough in the moment. The second breath in helps fill the lungs fully, so the long breath out can do more. In a Stanford study comparing breathing exercises, five minutes of cyclic sighing a day, repeating this sigh, improved mood the most.

In ThirdVoice: Calm down fast. Three sighs, with a voice guiding each breath. Daily calm runs the same sigh for about five minutes.

2. 4-7-8 breathing, for sleep

4-7-8 breathing, sometimes written 478 breathing, was made popular by Dr. Andrew Weil. It slows everything right down, which makes it a good choice in bed.

1. Rest the tip of your tongue behind your top front teeth, and keep it there.
2. Breathe in quietly through your nose for four.
3. Hold for seven.
4. Breathe out through your mouth with a whoosh for eight.

Start with four breaths. The long hold can feel hard during panic, so when your heart is racing, start with a physiological sigh instead.

In ThirdVoice: Wind down. Four breaths, with a voice counting the seven and the eight for you.

3. Box breathing, for focus

Box breathing is four equal parts: breathe in for four, hold for four, breathe out for four, hold for four. The even pace is steadying without making you sleepy, which is why it is used before high-pressure moments, from presentations to Navy SEAL training.

In ThirdVoice: Focus again. Eight rounds, about two minutes.

Box breathing vs 4-7-8

• Box breathing is even and steady. It calms you while keeping you alert. Good during the day, before something hard.
• 4-7-8 has a long hold and an even longer breath out. It slows the body down more. Good at night, or when you want to switch off.

Neither one is better. They do different jobs.

4. Longer breath out, when thoughts keep looping

The simplest rule in breathing: make the breath out longer than the breath in. Try in for four, hold for two, out for six. Or just in for three, out for six.

It is easy to remember, it does not ask much, and it works well when the mind is running the same thought over and over.

In ThirdVoice: Stop the spiral. In for four, hold for two, out for six. Quick reset is the shorter in-for-three, out-for-six.

5. Diaphragmatic breathing (belly breathing)

Diaphragmatic breathing, also called belly breathing, means breathing low into the belly, using the diaphragm, instead of high in the chest and shoulders. Under stress, most people breathe high and fast without noticing.

1. Put one hand on your chest and one on your belly.
2. Breathe in slowly through your nose, so the hand on your belly rises and the one on your chest barely moves.
3. Breathe out slowly and let the belly fall.
4. Keep going for about five minutes. Lying down makes it easier at first.

Belly breathing is the base of every other exercise here. Once it feels natural, the rest get easier.

What about Wim Hof breathing?

Wim Hof breathing is popular, but it is a different kind of tool. It uses rounds of fast, deep breaths followed by long breath holds. It is energizing rather than calming, and it can make you lightheaded or tingly.

That makes it a poor choice in the middle of anxiety. If you try it at another time, do it sitting or lying down, and never in water or while driving.

Beyond breathing: grounding, muscle relaxation, meditation

• Grounding techniques pull attention out of your head and into the room. Try 5-4-3-2-1: name five things you can see, four you can touch, three you can hear, two you can smell, and one you can taste.
• Progressive muscle relaxation works on the tension anxiety leaves in the body. Tense one muscle group for about five seconds, then let it go, moving from your feet up to your face.
• Meditation trains attention over time. The breath is often the anchor, so these exercises are a good way in.

Breathing lessons: practice when you are calm

The best time to learn a breathing exercise is not in the middle of a panic attack. Think of the first few times as breathing lessons. Practice for a minute or two once a day, when nothing is wrong.

Then, when anxiety shows up, the pattern is already familiar. The body knows what to do, even when the mind is too loud to remember the steps.

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When to get more help

Breathing exercises are tools, not treatment. If anxiety is hard to control, keeps you from sleeping, gets in the way of work or relationships, or panic attacks keep coming back, talk to a doctor or a therapist. If you have chest pain or trouble breathing that does not ease, get medical help right away.

Sources

• Balban et al. (2023), Brief structured respiration practices enhance mood and reduce physiological arousal, Cell Reports Medicine
• Zaccaro et al. (2018), How breath-control can change your life: a systematic review on slow breathing, Frontiers in Human Neuroscience
• NIMH: Anxiety Disorders