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Why We Sleep: Science of Sleep & Dreams | Matthew Walker | Talks at Google

Talks at Google · 751.5K views · 2017-12-20 · 54:52

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Overview

Berkeley sleep scientist Matthew Walker presents the science of sleep and dreams and how sleep affects health and lifespan, based on his book Why We Sleep.

On Hacker News

HN suggests it as an easy alternative to the book for people who want Walker's sleep findings.

Recommended by 3 HN people across 3 months · HN mentions 2018–2019

Topics

Fitness, sleep & longevityNeuroscience & the brain
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sleepmatthew walkerdreamshealthsleep deprivation

What people said

jmts · 2019-11 · Recommendation

Matthew Walker wrote that book [1]. He also has a few talks on YouTube worth checking out. From memory [2] was an informative one for me. [1] [LINK] [2] [VIDEO]

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parski · 2018-10 · Recommendation

On the subject of Why We Sleep: I'm not sure how well it corresponds to the book, but Matthew Walker also has a Google Talks talk on the same subject that I recommend watching if you're not a book person: [VIDEO]

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FrankyHollywood · 2018-07 · Recommendation

His Google talk is also very interesting, a lot of other effects besides Alzheimer's are related to sleep deprivation [VIDEO]

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Sources

Video by Talks at Google, played through YouTube.

Data and selection notes

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HN Library: HackerTube export (2026-10-31) and open-index/hacker-news. Upstream summaries and classifications may contain AI errors.

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