Cyclic Sighing
This study compared the following methods for stress management:
- Mindful meditation
- Box breathing
- Cyclic Hyperventilation (sounds like Wim Hof Breathing)
- Cyclic Sighing
And Highlighted “Cyclic Sighing” as the most effective method:
Double inhale through the nose. The first one is the complete inhale until your lungs feel full, and then you sneak in a little bit more air as a second inhale. And then a long slow exhale through the mouth. Until your lungs are completely empty. - Andrew-Huberman/short with huberman
Repeat for 1-5 minutes.
Studies
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