Audiobook Review: Why We Sleep by Matthew Walker

Why We Sleep
by Matthew Walker

Publication date: 2017
Publisher: Penguin


Sleep is one of the most important aspects of our life, health and longevity and yet it is increasingly neglected in twenty-first-century society, with devastating consequences: every major disease in the developed world – Alzheimer’s, cancer, obesity, diabetes – has very strong causal links to deficient sleep.

In this book, the first of its kind written by a scientific expert, Professor Matthew Walker explores twenty years of cutting-edge research to solve the mystery of why sleep matters. Looking at creatures from across the animal kingdom as well as major human studies, Why We Sleep delves into everything from what really happens during REM sleep to how caffeine and alcohol affect sleep and why our sleep patterns change across a lifetime, transforming our appreciation of the extraordinary phenomenon that safeguards our existence.

Source: Goodreads


“The shorter your sleep, the shorter your life span ”

“Why We Sleep” has been on my list for years as I know that it’s been highly praised by so many. I’m not really sure why I was interested in it, because I sleep pretty well and probably get more sleep than average, but something about the subject is intriguing to me. Why do we do it? How do we do it? Can I sleep too much? And what happens when we don’t get enough?

These are just some of the many questions that are answered in this book and I have to say that reading this was certainly an education.

I listened to this in audiobook and I was glad to find that for the most part, the narration was engaging and didn’t feel too much like a lesson or something you’d listen to in a museum. I enjoyed the inclusion of real life examples and how the author related the science to the lives of ordinary people, making the content very accessible.

There’s not a lot much more to say about other than I found it very interesting and many of the key facts have stuck with me since listening.

There were some chapters that didn’t interest me but that’s okay because even the author suggests that it’s okay to dip and dive into each section as and when necessary. Another gripe was that the audiobook kept telling you to see the pdf attachment for graphs and tables, but my copy didn’t come with a pdf attachment so I missed out on those bits.

Overall rating: “Why We Sleep” is a really educational read that I’d recommend for anyone interested in the subject of sleep. It covers all aspects of the topic without being overwhelming. This was a good 4 star read for me!


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