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Why we sleep : unlocking the power of sleep…
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Why we sleep : unlocking the power of sleep and dreams (urspr publ 2017; utgåvan 2017)

av Matthew P. Walker

MedlemmarRecensionerPopularitetGenomsnittligt betygOmnämnanden
1,2865810,933 (4.21)43
"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. 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"--… (mer)
Medlem:bloomsday
Titel:Why we sleep : unlocking the power of sleep and dreams
Författare:Matthew P. Walker
Info:New York : Scribner, an imprint of Simon & Schuster, Inc., [2017]
Samlingar:Books Read
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Why We Sleep: Unlocking the Power of Sleep and Dreams av Matthew Walker (2017)

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I fell asleep on my couch listening to this audiobook, which I actually think is a testament to how good the book was! ( )
  thereserose5 | Mar 3, 2021 |
I am much delayed in writing a review of this book. I've been "sleeping on it" for the last two weeks. Totally appropriate, I think. And there's lots and lots to why "sleeping on it" is a good thing in this book. In fact, there's lots and lots of benefit in this book to almost all average readers. For instance, like why it took me longer to read this book than normal because the author explained quite clearly -- while I was reading it -- why I shouldn't be reading an ebook late into the night, but should get a good night's sleep and help accomplish that task by not staring at an electronic device screen just before trying to accomplish it. Trust me. That's just the tip of the iceberg. Did you know a person would die from lack of sleep in just about the same amount of time they would die from lack of food? (And yet, American's generally eat too much and sleep too little. Go figure.) I am quite conscious of not wanting to sound too much like an evangelist on promoting this book, because it would be fairly easy for me to slip into that mode. Better I try to relate this to the best of clear, concise, entertaining access to the wonders of science, like oldsters may have gotten from Mr. Wizard, or younger folks may have enjoyed with Bill Nye, the Science Guy. Get yourselves a copy and start reading it. I will be very surprised if you won't quickly find information of benefit to you...and reasons to keep reading. ( )
  larryerick | Jan 30, 2021 |
Quite the essential book for everyone to read, sleep is so important ( )
  wendy.reads | Jan 26, 2021 |
Sleep is of the essence, crucial to living a good life. Everyone should be aware of this, whether you like to relax in the evening or spend long hours outside (cinema, concerts, dining, other events, ...).

Health becomes more of an issue as one grows older. Sleep is a vital element, a vital cog in your bodily functions and daily activities. Neuroscientist Matthew Walker wrote an accessible book about sleep, how it impacts our daily lives, our health, our existence. What is sleep? Why do we sleep? How does sleep impact my memory, my mood, ...?

In this book, nicely divided into themed chapters, M. Walker takes you through the various aspects of sleep:

Part 1: The Thing Called Sleep
Part 2: Why Should You Sleep?
Part 3: How and Why We Dream
Part 4: From Sleeping Pills to Society Transformed

Sleep is not only important to recharge your batteries or help your brain and memory process the events of the day, or even process the chapters you studied for the exam the next day. It seems your brain also gets "cleaned" during sleep, almost literally. Connections are remade, there are restorations, and so on.

Sleep is also important when you're sick, allowing the body to heal itself where appropriate, which is why resting is key to a quick recovery.

In the processing of learned information or the experiences of the day, dreams help to facilitate this. Matthew Walker also explains in his book the difference between NREM and REM sleep and why each has a role to play in your entire sleep pattern. Your biorhythm or circadian rhythm is also discussed, as is the whole discussion about daylight saving time or summer- and wintertime. Of course, winter is still the "real" and best one, as the summertime would have too much of a negative impact on your circadian rhythm, therefore your health, and so on.

Daylight vs artificial light is another aspect that influences your sleep and wakefulness.

Next to all this, you'll read about tests M. Walker and his team did on volunteers. Which tests? What happens when you postpone sleep for a certain time? What happens when your sleep is interrupted every two hours? And more along those lines.

M. Walkers general credo is: a human being needs, on average, 8 hours of sleep each night. Many of us don't even sleep that much, because of work, because of going out for whatever event, because even of health reasons (insomnia, for example), and more.

At the end, there's a list of 12 tips to have a better sleep at night. This is the short version:

1) Stick to a sleep schedule.
2) Exercise is great, but not too late in the day.
3) Avoid caffeine and nicotine.
4) Avoid alcoholic drinks before bed.
5) Avoid large meals and beverages late at night.
6) If possible, avoid medicines that delay or disrupt your sleep.
7) Don't take naps after 3 p.m.
8) Relax before bed.
9) Take a hot bath before bed.
10) Dark bedroom, cool bedroom, gadget-free bedroom.
11) Have the right sunlight exposure.
12) Don't lie in bed awake.

Personally, I need at least 8 hours of sleep to feel good, and at fixed times, so to speak. Staying up late one or two evenings in the week will be detrimental to my mood, humour and concentration for the rest of the week. I might even have a migraine later on or even the following day, even if, yes, other causes can be at the basis of this.

Long story short: Sleep is so damn important in everyone's life, but sadly, our current way of living and working - rat race, smartphones, internet everywhere, screens here, screens there, ... - is so detrimental to our biological rhythm, that many are "forced" to take sleeping pills - which, by the way, don't make you sleep, but sedate you, which is totally different from natural sleep with NREM and REM sleep - or suffer the consequences. It's best to seek help so that you're able to create for yourself a sleep schedule and stick to it. That way, your body and mind will be accustomed to a certain rhythm and not be played with like an elastic band, which doesn't stay elastic for long then.

Read this book, even if you think you know how important sleep is. ( )
  TechThing | Jan 22, 2021 |
I never thought sleep would be controversial. But it is! Wildly so at times. His advice is so straightforward, I'm sure many will roll their eyes, but the short answer is that we need sleep. Literally, everything is worse on lack of sleep - worse memory, less attraction, more cancer, more heart disease, lower levels of happiness, and on and on. Sleep deprivation kills more people in car accidents than anything else, even alcohol. Resident doctors make a wild number of mistakes (that often results in death) when they're sleep deprived. There's so much here. You will be shocked. ( )
  nrt43 | Dec 29, 2020 |
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"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. 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"--

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