Physiological sigh
ConceptMentioned in 2 videos
A breathing technique involving two inhales followed by a long exhale, used to calm the nervous system by slowing heart rate and reducing carbon dioxide.
Videos Mentioning Physiological sigh

Improving Health With Stronger Brain-Body Connection | Huberman Lab Essentials
Andrew Huberman
A breathing technique involving two inhales followed by a long exhale, used to calm the nervous system by slowing heart rate and reducing carbon dioxide.

How to Improve Skin Health & Appearance
Andrew Huberman
A real-time tool for stress reduction, involving two inhales through the nose followed by a long exhale through the mouth; studied at Stanford for its effectiveness.