Physiological sigh
Technique
Real-time stress reduction — before high-stakes events, when heart rate is too high, or when waking in the middle of the night
"It was the people who did these physiological sighs that benefited the most. You don't need to do it for 5 minutes. Do it once. You're feeling stressed, you're going on stage, you're waiting for a diagnosis — you just do a double inhale long exhale until yo..."
More source quotes
Post-workout cool-down to reduce sympathetic arousal and cortisol before sleep
"Do some long exhale breathing. It's called physiological sigh — it involves this double inhale, long exhale, which is involved in reducing the amount of so-called sympathetic autonomic arousal. Just doing that three or four times after your workout could be..."
Calming down quickly and slowing heart rate
"If you want to be more calm, emphasize exhales, and the simplest way to do this is to emphasize exhales through what's called a physiological sigh. Two inhales, ideally through the nose, followed by a long exhale... So the fastest way to calm down is to emp..."