FWIW, Andrew Weil took what he calls the "4-7-8" breathing exercise from ancient India. Video demonstration: https://www.drweil.com/videos-features/videos/the-4

FWIW, Andrew Weil took what he calls the "4-7-8" breathing exercise from ancient India. Video demonstration: https://www.drweil.com/videos-features/videos/the-4-7-8-breath-health-benefits-demonstration/ https://www.drweil.com/videos-features/videos/the-4-7-8-brea... It bears some resemblance to the breathing exercise described by the author of the Psych Today article.