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One of the best books on this topic is Why We Sleep by Matthew Walker. While I know people on HN dislike the author, I think it’s a great book to read once in your life and get the benefits of knowing how important sleep is without being too alarmist. It helped me each day to get better at sleeping. I think we pride ourselves on our hustle and lack of sleep where these badges hurt us both in the short term and long term. Perhaps that is just a season of life everyone goes through though.


> Matthew Walker's "Why We Sleep" Is Riddled with Scientific and Factual Errors

https://guzey.com/books/why-we-sleep/


Guzey’s article has many “weak arguments and misleading claims” [0]. For bonus points, see Guzey’s appeal to logical fallacies in the comments.

[0] https://www.lesswrong.com/posts/sbcmACvB6DqYXYidL/counter-th...


There's a pretty long (4-part) discussion on Andrew Gelman's blog[0] about Guzey's article and the book. In the end I was pretty convinced that many of the book's claims cannot be trusted.

[0] https://statmodeling.stat.columbia.edu/2019/12/27/why-we-sle...


The article you're quoting is a rebuttal of another article by Guzey, and not of his book review.


Thanks for pointing it out. I must have confused, because I encountered similar problems in Guzey's review of the book.


Oof. Thanks for posting this review. I was a big fan of Walker's book - what a disappointment.


It does not work like that: now you have to consider the reviews on the reviewer... Or get the instruments for a critical approach.


Look at section 19 of the review. Matthew cut off a part of a graph from his sources that doesn't support his theses. How unscientific is that? Why shouldn't I be disappointed?

> Or get the instruments for a critical approach

What do you mean by that?


> What do you mean by that

That in a "debate", you could value the proponents and rank the proposals accordingly, but it is a most difficult game for a number of reasons (that the proposals are complex; that the proponents are complex and encompassing strengths and weaknesses; that your judgement over them may be mislead; that circularly it is not clear how to (who will reliably) evaluate them etc.),

or that at some point you may want to shift the investment from the pieces of the debate to your ability to assess them critically and build the grounds for a more reliable judgement.

Just a general principle of distance from contents - heavyweights are hard to find so our ability to delegate judgement is restricted.


I prefer to trust a research scientist that works at well known and solid universities than some independent guy who debunks stuff


Besides being an appeal to authority, this is directly addressed in the piece: https://guzey.com/books/why-we-sleep/#appendix-common-object...

> ...it was read by hundreds of psychologists and neuroscientists who – I believe – also failed to find any serious issues [...] Some of the scientists wrote to me directly [including] a sleep scientist with >50 h-index who studied sleep for more than 40 years


This isn't some crackpot questioning the scientific consensus of an entire field of study. It's a critique of specific contents of a single piece of work.

Given that pop sci publications have a history of being slippery with the truth, and given the financial incentive to make millions off a pop sci book, and given that the claims made in the blog post are easily confirmed and checked, this appeal to authority that you've made is misplaced.




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