Breathing and sleep

We haven’t talked much about breathwork and sleep. Here is a “hack” that sounds crazy, but the developer insists that it works https://www.tomsguide.com/news/4-7-8-sleep-method-to-fall-asleep-fast-expert-breathing-technique https://www.drweil.com/health-wellness/body-mind-spirit/stress-anxiety/breathing-three-exercises/