Ample and quality sleep is one of the most important, and sadly neglected, elements of a sound mind and body.~ Jarlo Ilano from, https://gmb.io/sleep/
Sleep is the most important part of my life. No exceptions. No equivication. No weasel words.
Sleep. Sleep? SLEEP!
Despite my issue with his characterization of the degree of importance, Ilano’s article is a good overview of some basic sleep ideas.