podcast hack

Matt Walker: Sleep

Lex Fridman Podcast, Lex Fridman, Matt Walker

5 mins

3 key insights

Visual, audio & text

In this August 2021 episode of the Lex Fridman podcast, Fridman hosts sleep scientist Matt Walker to discuss the science of sleep and its relation to our health, consciousness, and future technology.


Matt Walker: Sleep

Matt Walker: Sleep

by Lex Fridman Podcast


Are we facing a sleeplessness epidemic? According to an estimate from the U.S. Centers for Disease Control and Prevention, 45% of the global population of adults isn't getting enough sleep. In fact, for centuries we failed to understand why we, and so many other animals, even need sleep.

Lex Fridman is an AI researcher at MIT and the host of the Lex Fridman podcast, where he interviews experts across disciplines such as science, technology, and AI. Matt Walker is a sleep scientist at UC Berkeley, author of the bestselling book Why We Sleep, and host of The Matt Walker Podcast.

In this August 2021 episode, Walker and Fridman hold a wide-ranging discussion around the science of sleep, touching on its evolutionary function, how it's affected by caffeine, what it tells us about consciousness, and its implications for self-driving cars.

Favorite quote

Is there any physiological system in the body, or any major operation of the mind that isn't wonderfully enhanced when we get sleep, or demonstrably impaired when we don't get enough? … For the most part, the answer seems to be 'no.'

- Matt Walker

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