Daily Archives: March 17, 2018

Review of Why We Sleep: Unlocking the Power of Sleep and Dreams by Matthew P. Walker

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Given my husband’s diagnosis of severe sleep apnea and the difference the treatment from the sleep clinic has made to all aspects of his life, when I saw this book was available on NetGalley, I immediately requested it.

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.

Normally I don’t include all the blurb, as it tends to give too much away. However, in this case I feel it nicely sums up exactly what this book is about. This was not a comfortable read. My husband’s snoring used to be epic – not only was it shredding his ability to sleep deeply, it also properly mucked up my sleep, too. It is still a mess and has been for a number of years. I have become accustomed to living reasonably happily on somewhere between four and five hours of sleep a night, and therefore it came as a very nasty shock to discover that I am probably compromising my immune system as well, as increasing my risk factor of incurring a range of nasty illnesses including Alzheimer’s and cancer.

However, the good news is that in addition to providing the scientific reasons why sleep is so important to us, Walker also provides a range of suggestions and tips so that those of us with really poor sleep hygiene have a chance to sort ourselves out. If you are a snorer, or sleep next one, find it difficult to get to sleep or stay asleep for the recommended eight to nine hours a night, then you need to read this book.
9/10

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