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Why We Sleep - Matthew Walker

Why We Sleep

By Matthew Walker

  • Release Date: 2017-10-03
  • Genre: Life Sciences
Score: 4.5
From 604 Ratings


Why We Sleep is an important and fascinating book…Walker taught me a lot about this basic activity that every person on Earth needs. I suspect his book will do the same for you.” —Bill Gates

A New York Times bestseller and international sensation, this “stimulating and important book” (Financial Times) is a fascinating dive into the purpose and power of slumber.

With two appearances on CBS This Morning and Fresh Air's most popular interview of 2017, Matthew Walker has made abundantly clear that sleep is one of the most important but least understood aspects of our life. Until very recently, science had no answer to the question of why we sleep, or what good it served, or why we suffer such devastating health consequences when it is absent. Compared to the other basic drives in life—eating, drinking, and reproducing—the purpose of sleep remains more elusive.

Within the brain, sleep enriches a diversity of functions, including our ability to learn, memorize, and make logical decisions. It recalibrates our emotions, restocks our immune system, fine-tunes our metabolism, and regulates our appetite. Dreaming creates a virtual reality space in which the brain melds past and present knowledge, inspiring creativity.

In this “compelling and utterly convincing” (The Sunday Times) book, preeminent neuroscientist and sleep expert Matthew Walker provides a revolutionary exploration of sleep, examining how it affects every aspect of our physical and mental well-being. Charting the most cutting-edge scientific breakthroughs, and marshalling his decades of research and clinical practice, Walker explains how we can harness sleep to improve learning, mood and energy levels, regulate hormones, prevent cancer, Alzheimer’s and diabetes, slow the effects of aging, and increase longevity. He also provides actionable steps towards getting a better night’s sleep every night.

Clear-eyed, fascinating, and accessible, Why We Sleep is a crucial and illuminating book. Written with the precision of Atul Gawande, Andrew Solomon, and Sherwin Nuland, it is “recommended for night-table reading in the most pragmatic sense” (The New York Times Book Review).


  • Fascinating and a must read!

    By uttz111
    I wish I would have read this book as a young parent or even as a high school student. This could be a life changing read. Thank you Dr. Matthew Walker.
  • Get more sleep

    By Docta_E
    Educational, and either encouraging for those of you making an effort to get a good nights rest, or a wake up call to those who prioritize everything else except sleep.
  • Very good

    By isyL678
    Good book
  • Life Changing

    By AverageTechGuy
    All my life I’ve considered myself to be a night owl,taking pride of how much I cam do on slivers of sleep. Now I fear I’ve cheated myself of a better life due to not getting enough sleep. It’s not too late though. I’m working on my sleep rhythm and focusing on my kids so they don’t suffer the same fate. This book does a great job of illustrating the importance of sleep, something I took for granted. Everyone should read this book to at least understand how many health and wellness issues are tied to the lack of sleep. We’ve poured so many resources into so many other sectors of health while completely ignoring sleep… That won’t happen with me and my family Amy longer! Thank you! -Robert Micheal Walker
  • Amazing and wonderful book

    By 2starfishes
    I was expecting it to be good but it blew my mind! I recommend it to everyone now. Sleep is so important.
  • It’s 5:41 Am…..

    By Maple"Dawn
    It’s 5:41 Am… and I need sleep! I went to bed like usual… but I couldn’t sleep! I tried everything, even everything in this book! Anyone got any tips? *I NEED SLEEP*
  • Very interesting!!

    By Zachowilkinson
    This book opens my mind to the amount of sleep I get and the amount of sleep I should be getting. The science behind the benefits is endless and it shows that sleep is one of the main things I can do to be healthier, happier, smarter and love a long life.
  • Good

    By DirtyDan82
    Pretty good...I enjoyed it
  • Why we sleep

    By tradertrav
    The author provides lots of data, studies, public policy ideas and other information...unfortunately, there is not much on getting better sleep other than the same things everyone already knows. There are a few chapters on dreams and dreaming that are interesting, but, overall I would not recommend this book to anyone.
  • Why we sleep

    By clevver
    Wow. That’s the least I can say. What an unbelievable book. Wish I could get everyone in the world to read it, especially my family, and the current U. S. president. So much for the genius of Thomas Edison. I’m going to sleep now. I want to change my life.