lucerez

"I decided to compare the facts [the book] presented with the scientific literature. I found that the book consistently overstates the problem of lack of sleep, sometimes egregiously so."

I think it's a personal thing and it depends on needs of our bodies one person needs 10h of sleep another is good with 4 also it varies seasonally and what we do eat etc. So I always was very sceptical with this book tbh my friend recommended it to me and I was all like

Yup, the central claim of "everyone needs 8 hours or more!" doesn't align with people's everyday experience OR with the science itself... the blog post has a lot of material on it, esp the notes in the appendix are interesting (and awful to hear the harm done by the claim).