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Why We Sleep

Why We Sleep

2017 . Health & Fitness, Sleep, Medical, Neuroscience, Psychology . Matthew Walker

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167 total


137K total

Why We Sleep

About the book


“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. Sleep is one of the most important but least understood aspects of our life, wellness, and longevity. 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 we don't sleep. Compared to the other basic drives in life—eating, drinking, and reproducing—the purpose of sleep remained elusive. An explosion of scientific discoveries in the last twenty years has shed new light on this fundamental aspect of our lives. Now, preeminent neuroscientist and sleep expert Matthew Walker gives us a new understanding of the vital importance of sleep and dreaming. Within the brain, sleep enriches 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 mollifies painful memories and creates a virtual reality space in which the brain melds past and present knowledge to inspire creativity. Walker answers important questions about sleep: how do caffeine and alcohol affect sleep? What really happens during REM sleep? Why do our sleep patterns change across a lifetime? How do common sleep aids affect us and can they do long-term damage? Charting cutting-edge scientific breakthroughs, and synthesizing 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; increase longevity; enhance the education and lifespan of our children, and boost the efficiency, success, and productivity of our businesses. Clear-eyed, fascinating, and accessible, Why We Sleep is a crucial and illuminating book.






Simon and Schuster




1501144316 (ISBN13: 9781501144318)

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Morten Schroeder image

2 years ago


This will change how you think of sleep! It reads more as a ‘teachings’ book so can be a little hard to get through (at least for me) - but absolutely worth reading!


Annie Spencer image

2 years ago


Book that has transformed the way I think about sleep (and I went in knowing a lot / valuing it highly). Really interesting journey through the evolution of sleep, types of sleep phases and why they matter through to sleeping problems and how best to solve them. Recommend for anyone on the fence about whether sleeping is important in their lives


Holly Harris

3 years ago


Everyone should read this book An update of all the research around sleep and the harms of not getting enough



10 months ago


Interesting but incredibly repetitive. Sleep is good, not sleeping is bad!


Rebecca Wood

11 months ago


Great information and changed the way I sleep and rest


paree rao

1 year ago


Dissects the importance of sleep , depicts the outcome of sleep deprivation nd points out the various risks associated with sleep deprivation


Christian Alexander

2 years ago


Very informative - nicely written. A bit dull and makes me fall a sleep 😴.. I know he points out that’s a good thing. So to sum up - I am learning and finding it interesting but it’s not a page turner.

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