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Why We Sleep cover
Science & Curiosity

Why We Sleep

by Matthew Walker · first published 2017

Neuroscientist Matthew Walker explains what sleep actually does for the brain and body — from memory and learning to mood and long-term health — and what happens when we do not get enough of it. Drawing on decades of sleep research, he covers dreams, caffeine, naps and the rhythms that shape our nights. A clear, eye-opening read for anyone who wants to understand why a good night's sleep matters so much.

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