respiratory sinus arrhythmia
Concept
The phenomenon where heart rate slows down during exhalation, an example of autonomic functions coordinated with breathing.
Mentioned in 2 videos
Videos Mentioning respiratory sinus arrhythmia

The Science & Process of Healing From Grief
Andrew Huberman
The natural variation in heart rate in sync with breathing, where inhales speed up the heart and exhales slow it down; a measure related to vagal tone.

Essentials: Breathing for Mental & Physical Health & Performance | Dr. Jack Feldman
Andrew Huberman
The phenomenon where heart rate slows down during exhalation, an example of autonomic functions coordinated with breathing.