Matthew Walker

“No matter what you may have heard or read in the popular media, there is no scientific evidence we have suggesting that a drug, a device, or any amount of psychological willpower can replace sleep. Power naps may momentarily increase basic concentration under conditions of sleep deprivation, as can caffeine up to a certain dose.”


Matthew Walker, Why We Sleep: The New Science of Sleep and Dreams
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Why We Sleep: The New Science of Sleep and Dreams Why We Sleep: The New Science of Sleep and Dreams by Matthew Walker
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