Matthew Walker

Why We Sleep

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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.
But 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. Among so many other things,…
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520 printed pages
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Impressions

  • Dmitryshared an impression2 years ago
    👍Worth reading
    🎯Worthwhile

    Book in so much detail explains why the sleep which takes the whole 1/3 of your life is so important to us, brings so much extremely positive effects for our health, and the lack of it can bring a looot of bad things. Basically - you must sleep full night every day without compromise, because it's so beneficial to so much parts of our life and health.

  • Victoria R.shared an impression4 years ago
    🔮Hidden Depths

    Many interesting insights into sleep and its peculiarities. After reading this book, you will definitely have more reasons for going to sleep rather than staying awake when deciding what to occupy yourself with late evenings :)

  • Vitalyshared an impression5 years ago
    👍Worth reading
    💡Learnt A Lot
    💞Loved Up

    Great! Definitely worth reading... Note, Matthew Walker has done a great job of spreading his knowledge, and you can watch a 2 hour interview with him to get most of the info from the book - https://youtu.be/pwaWilO_Pig

Quotes

  • Xuraman Memmedovahas quoted4 years ago
    Fitting Charlotte Brontë’s prophetic wisdom that “a ruffled mind makes a restless pillow,”
  • Gullayyyhas quotedlast year
    “a ruffled mind makes a restless pillow,”
  • Dmitryhas quoted3 years ago
    Your twenty-four-hour circadian rhythm is the first of the two factors determining wake and sleep. The second is sleep pressure. At this very moment, a chemical called adenosine is building up in your brain. It will continue to increase in concentration with every waking minute that elapses. The longer you are awake, the more adenosine will accumulate. Think of adenosine as a chemical barometer that continuously registers the amount of elapsed time since you woke up this morning.
    One consequence of increasing adenosine in the brain is an increasing desire to sleep. This is known as sleep pressure, and it is the second force that will determine when you feel sleepy, and thus should go to bed. Using a clever dual-action effect, high concentrations of adenosine simultaneously turn down the “volume” of wake-promoting regions in the brain and turn up the dial on sleep-inducing regions. As a result of that chemical sleep pressure, when adenosine concentrations peak, an irresistible urge for slumber will take hold.VII It happens to most people after twelve to sixteen hours of being awake

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