The Physiological Sigh: A Quick Way to Release Tension
A deep sigh is one of the body's natural ways to reset. You can also do it on purpose. Here is how.
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We all sigh many times a day, often without noticing. Sighing is a natural reflex that helps re-open tiny air sacs in the lungs. It also often comes when we feel relief.
The "double inhale" sigh
A version made popular by researchers at Stanford is sometimes called the "physiological sigh":
1. Breathe in through your nose. 2. At the top, take a second, small sip of air through the nose. 3. Breathe out slowly and fully through your mouth.
Repeat two or three times.
What research suggests
In a small 2023 study from Stanford, people who practiced five minutes a day of breathing with long, slow exhales, including this cyclic sighing, reported better mood and less anxiety over a month compared with a mindfulness meditation group. It was a small study, and more research is needed, but the practice is simple and gentle.
When to use it
- When you notice tension in your chest or shoulders.
- After reading a stressful message.
- In the car before going into a busy place.
- As a short reset in the middle of the day.
Keep it soft
Don't force big, dramatic breaths. A gentle sigh is enough. If you feel light-headed, return to normal breathing.