I saw someone mention it in a HN comment before, but I'd like to restate it here since it is definitely one of those perspective-altering books: "Why We Sleep" by Matthew Walker. The author is a professor and prolific researcher of the effects of sleep on the human body, and goes into nearly every nook and cranny of what sleep does for the human body. He has scared me off of my usual practice of sleeping 6 hours or l…
> Throughout the book, the author cites a scientific study and article on nearly every page, so you know that these are real hard facts. This is almost discouraging to me. If spending too much time on HN has taught me anything, it's that citing a study (especially medical, nutrition, and psychology papers, among other fields I'm probably missing), is not nearly enough of a guarantee that some assertion should be call…
I should add then, that the author definitely backs up the studies (which are multiple and often independently discovered) with reasoning about why certain things are evolutionary advantageous and how they fit in to societal phenomenons. I hope you will give this book a chance :)