Why We Sleep

Why We Sleep pdf epub mobi txt 电子书 下载 2026

Matthew Walker PhD
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具体描述

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

用户评价

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##也许并不是动物进化出了睡觉这件事,而是动物最原始的状态就是睡眠状态,进化让动物能周期性地“醒过来”If sleep does not serve an absolutely vital function, then it is the biggest mistake the evolutionary process has ever made. Wake: reception,NREM: reflection (storing&strengthening raw ingredients), REM: integration (interconnecting,building a more accurate model, innovative insights&problem-solving

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##非常有用也比较有意思的一本书,向所有读者群推荐(NY Times Bestseller)。书以一个问题开始:我们(虫鱼鸟兽一切动物)为什么要睡觉?为什么生物经过这么漫长的进化,还一直保留着睡觉这个看起来会极大降低存活率(比如睡着了很容易被偷袭)的机制?水里需要不停游动的鱼类,或者需要跨洋级别长期飞行的鸟类都各自进化出了一些像一次只睡半边脑之类的 workaround 也无法完全避开睡觉,究竟是为什么? 当然书并没有给出答案的完整刻画,因为完整的刻画应该还是生物研究中的谜题之一,但是书给出了一个很重要的定性答案:睡觉并不(仅仅)是一种休息(比如,像电脑休眠那样,机能停止运行),而是一种 ……(字数限制,见长书评吧。。。)

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##给自己爱睡觉找到了理由,发现确实如此

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##也许并不是动物进化出了睡觉这件事,而是动物最原始的状态就是睡眠状态,进化让动物能周期性地“醒过来”If sleep does not serve an absolutely vital function, then it is the biggest mistake the evolutionary process has ever made. Wake: reception,NREM: reflection (storing&strengthening raw ingredients), REM: integration (interconnecting,building a more accurate model, innovative insights&problem-solving

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总之,鼓吹每天睡三小时看四点钟的洛杉矶,是现代人类最愚蠢的观念之一。普通的说,这本书讲的很多新研究结论很有意思,比如晚上喝酒、吃褪黑素对睡眠其实危害巨大。但是我更看重作者的私货:“既然演化让几乎所有动物都具有睡眠这种近乎自杀性的行为,那么一定有什么重要得要命的理由。”作者对这个理由的猜测是我见过的最接近准确的答案:nREM睡眠是腾空临时记忆空间,而REM睡眠是将这些存储转移到永久存储中;而梦的作用是让人对一段记忆安全地去除感情。

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##昨天读了之后 得到了久违的9小时睡眠... demystify了很多问题 比如REM做梦其实是很有用的 像是一种overnight therapy 帮你去重组处理日间的不良情绪;比如喝酒根本无法让你“睡得更好” 只是让你进入了一种麻醉状态而已;比如褪黑素只能帮助你提前召唤来睡觉的时间 具体质量是帮不了的;比如咖啡真的是一种被我们abuse的兴奋剂;比如真的有晨型人和夜型人。我们都会因为各种原因遇到一些sleeping difficulties 但不代表我们有insomnia 减少睡前蓝光的接受 带着好心态 好好睡觉吧

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##这是一本安利睡觉的书。十四个小时说了一句话:睡得好让你精神好、心情好、学习好、颜值高、胖不了、创意足、挣钱多、省医疗、开车安全、少得癌晚痴呆、死不了。反过来就是说,不好好睡觉会让你变胖、变丑、变学渣、差领导、开车危险、抑郁跑不了、男的蛋蛋变小娘娘化生不了、早痴呆多得癌、老得快、死得早。

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##六颗星!整本书把所有和“睡觉”有关的科学知识非常想尽的写下来,重点是还写得极其有趣。发现好多设计实验的内容和过程也都特别好玩,包括历史上最早研究人类睡眠周期的科学家把自己关在“暗无天日的”山洞里的故事,等等。唯一的小bug是作者为了强调充足睡眠的重要性,举例说切尔诺贝利事件可能是sleep deprivation造成的,有点失偏颇啦。(当然,按照朋友调侃的话说,你懂这么多,依然也睡不好觉呀,这本书并不能真的帮你解决很多失眠问题,但是依然是本很棒的书呀)

评分

总之,鼓吹每天睡三小时看四点钟的洛杉矶,是现代人类最愚蠢的观念之一。普通的说,这本书讲的很多新研究结论很有意思,比如晚上喝酒、吃褪黑素对睡眠其实危害巨大。但是我更看重作者的私货:“既然演化让几乎所有动物都具有睡眠这种近乎自杀性的行为,那么一定有什么重要得要命的理由。”作者对这个理由的猜测是我见过的最接近准确的答案:nREM睡眠是腾空临时记忆空间,而REM睡眠是将这些存储转移到永久存储中;而梦的作用是让人对一段记忆安全地去除感情。

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