A five-minute breathing reset for stressful days

When you are stressed, your breathing changes without you noticing. It gets faster, shallower and higher in the chest. The reverse is also true, and that is the useful part. Breathing is one of the few parts of your stress response you can control on purpose, and changing it sends a signal back to the rest of your body.

Why slow breathing works

Your heart rate rises slightly when you breathe in and falls when you breathe out. That variation is controlled in part by the vagus nerve, a major part of the system that handles rest and digestion. Slow breathing, especially with long exhales, strengthens this rhythm.

A 2018 systematic review in Frontiers in Human Neuroscience looked at studies of slow breathing, usually around six breaths per minute. It found consistent links with greater heart rate variability, more activity in the rest-and-digest system, and lower feelings of anxiety and arousal. The studies were small, but the direction of the results was steady.

Technique 1: Cyclic sighing

You already do this naturally. People sigh several times an hour, and a sigh is a built-in way to reset your breathing. Cyclic sighing just does it on purpose.

1. Breathe in through your nose until your lungs feel mostly full.
2. Take a second, shorter sip of air through your nose to top them up.
3. Breathe out slowly through your mouth until your lungs feel empty. Make the exhale longer than both inhales together.
4. Repeat for five minutes.

In a 2023 study from Stanford published in Cell Reports Medicine, about a hundred people did one of three breathing exercises or mindfulness meditation for five minutes a day for a month. All of the practices improved mood, but cyclic sighing produced the biggest gains in positive mood and the largest drop in resting breathing rate. It was a single study, but the practice is free and takes five minutes, so it is easy to test for yourself.

Technique 2: Box breathing

Box breathing is popular with athletes and the military because it is simple to remember under pressure.

1. Breathe in through your nose for a count of four.
2. Hold for four.
3. Breathe out for four.
4. Hold for four.

Repeat for a few minutes. If holding your breath feels uncomfortable, shorten the holds or drop them entirely. The slow, steady pace is what matters.

Technique 3: The longer exhale

This is the easiest to do anywhere, including in a meeting or a waiting room, because nobody can tell you are doing it.

Breathe in gently through your nose for a count of four, then out through your nose or pursed lips for a count of six. That works out to roughly six breaths a minute. If six feels like a strain, try in for three and out for five. The goal is an exhale that is clearly longer than the inhale.

Making it stick

Breathing exercises work best as a practice, not only as an emergency tool. Five minutes a day trains the skill so it is easier to use when you really need it. A few ways to fit it in:

• Do a round right after you sit down at your desk, or right before you open email.
• Practice for two minutes in the car before you walk into the house.
• Pair it with something you already do daily, like brushing your teeth at night.

If you feel lightheaded or tingly, you may be breathing too deeply or too fast. Stop, breathe normally for a minute and start again more gently.

When breathing is not enough

Everyday stress is normal, and these techniques can take the edge off it. They are not a substitute for care if anxiety, panic attacks or low mood are affecting your sleep, work or relationships for weeks at a time. Therapy and, for some people, medication help a great deal, and a primary care doctor is a good first stop.

If you are in crisis or thinking about harming yourself, reach out for help right away. In the US, call or text 988 to reach the Suicide and Crisis Lifeline. In other countries, contact your local emergency number.

Your small step this week

Try five minutes of cyclic sighing once a day for seven days. Set a reminder for the same time each day. At the end of the week, notice whether stressful moments feel even a little easier to handle.