Why We Sleep by Matthew Walker

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Why We Sleep by Matthew Walker

Matthew Walker’s “Why We Sleep” is one of the two most important books I have read in my life1. Having done a little stock trading along with having survived several tech industry “death marches,” things which are quite antithetical to good sleep, I had little idea just how destructive to your health lack of sleep is. A few years back, however, I began to hear that lack of sleep was correlated with diseases such as Alzheimer’s, but this did not strike me as convincing since correlation is not causation. Indeed, a little later, I heard about this book at work but was somewhat ambivalent. It’s just going to tell me that doctors think sleep is essential but are vague as to why were my thoughts.

Luckily I noticed an episode of Sam Harris’s podcast “Making Sense” in which he interviewed Walker. Since Sam Harris is a figure whose judgment I highly respect, and I know he is very discerning about whom he invites on as guests, I decided there was probably more of value to say about sleep than I initially thought.

Correlation and Causation

Walker’s book makes a compelling case that sleep is the bedrock of good health. He convincingly demonstrates that lack of good sleep can lead to downward spirals in health with the development of health conditions that make it hard to sleep, leading to more serious health conditions due to lack of sleep, making it even harder to sleep… and so on into a vicious cycle. Walker is careful to lay out in detail when the causal mechanisms are well understood, as in the case of Alzheimer’s and cancer, and when lack of sleep is currently a suspect, although the exact causal mechanism has yet to be established. By the end of the book, I realized, however, that sleep is so foundational that even a mere correlation to some bad health condition is enough to make lack of good sleep a prime suspect worth considering as a cause.

✅ Genre: Self-help Book, Science book.

✅ Premium Quality Books.

✅ High Printing quality.

✅ Eye Friendly.

✅ Matt cover (Paperback).


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