Title: Why We Sleep Pdf Unlocking the Power of Sleep and Dreams
The first sleep book by a leading scientific expert - Professor Matthew Walker, director of UC Berkeley's Sleep and Neuroimaging Lab - reveals his groundbreaking exploration of sleep, explaining how we can harness its transformative power to change our lives for the better.
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.
But an explosion of scientific discoveries in the last 20 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. Among so many other things, 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 immensely accessible, Why We Sleep is the crucial account on sleep that will forever change listeners' minds on the subject.
The importance of restful sleep examined in excellent book. Sleep isn't just about rest. It's about the body repairing itself, doing maintenance so to speak. Unfortunately, what has been discovered over time (and discussed in this book) is that, if you lose sleep, taking a nap, while it takes the edge off, it doesn't replace the sleep lost during the night. Our ability to fight disease (including cancer) and obesity may be directly tied to not getting enough restful sleep. Pills don't help either. Yes, they knock you out and make it easier to fall asleep but they lack the restorative power of natural sleep and, in fact, some sleeping pills can increase your risk of cancer.All of this is revealed in this excellent book that focuses on the role of sleep for humans (and, no doubt, also for animals as well). Our sleep cycle is essential to our health and breaking it up or altering it drastically, works against us and makes us less sharp."Why We Sleep" does a fine job of addressing these issues and explaining the research that has discovered the role of sleep and why it remains an important part of our health. Keep in mind that this book doesn't provide much in the way of solutions for patients beyond general recommendations for "sleep hygiene" as solving the problem really should be done by local sleep physicians (and each individual will have possible different solutions).One of the most important books I've ever read I'm about 75 pages into this book and it is already one of the most fascinating, important, and engaging books I've ever read. And it's funny, too, which was unexpected. This should be required reading by EVERYONE. After you read this book, I can't imagine how you could not prioritize getting an 8-hour night of sleep every night. Some astounding facts:-Routinely sleeping less than 6 or 7 hours a night increases your risk of cancer by 50%.-Every species every studied, preceding the emergence of vertebrates even, sleeps. Some species can sleep with only half their brain (!!). Sleep is an incredibly risky thing for an animal to do because you are completely vulnerable to predators when you sleep. But sleep is THAT important that it was preserved by evolution.-After even one night of less than 5 hours of sleep, natural killer cells (which kill cancer cells that appear in your body EVERY DAY) drop by 70%. Just one night!!!Buy it, read it, and then share it with everyone you know.The Go To Book If You Need to Improve Your Sleep I am an editor for one of the most visited natural health sites and as such had an opportunity to review a prepublication copy of this excellent book. Sleep is one of the most under rated health strategies and if you haven’t ever taken a deep dive in how to understand and optimize your sleep this is one of the best resources out there to optimize your sleep.Are you tired? If your answer is yes, it would seem relatively straightforward to assume you're not getting enough sleep. Yet, signs of sleep deprivation may not always be this obvious (and there are other factors besides sleep loss that can make you feel fatigued).Dr. Walker does an outstanding job of helping you understand the mystery of why we sleep and unravels some of it mysteries, like why your brain shuts down motor control to your muscles during the most active part of sleep, REM sleep. During REM sleep, there is a nonstop barrage of motor commands swirling around your brain, and they underlie the movement-rich experience of dreams. Thankfully Nature tailored a physiological straitjacket that forbids these fictional movements from becoming reality which protects you from harming yourself. Your brain paralyzes your body during REM sleep so your mind can dream safely.Dr. Walker also consults for many professional teams and helps their athletes understand how sleep is one of the most sophisticated, potent, and powerful—not to mention legal—performance enhancers that has real game-winning potential. Sleep can radically reduce career or season ending injuries and massively improve performance if optimized correctly.On the downside he reviews the dangers of what most of us do every night. Not sleep enough. This coming week, more than 2 million people in the US will fall asleep while driving their motor vehicle. That’s more than 250,000 every day, with more such events during the week than weekends for obvious reasons. More than 56 million Americans admit to struggling to stay awake at the wheel of a car each month. As a result, 1.2 million accidents are caused by sleepiness each year in the United States. You may find it surprising to learn that vehicle accidents caused by drowsy driving exceed those caused by alcohol and drugs combined. And if you happen to be drinking or using drugs the results are not additive but synergistically exponential radically increasing your risk of an accident, injury or death.These are only a few examples of the highly useful information you will receive by reading this book. Highly recommended.
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