Matt Walker is a sleep scientist at Berkeley, author of Why We Sleep, and the host of a new podcast called The Matt Walker Podcast. Please support this podcast by checking out our sponsors:

– Stamps.com: https://stamps.com (https://stamps.com) and use code LEX to get free postage & scale

– Squarespace: https://lexfridman.com/squarespace (https://lexfridman.com/squarespace) and use code LEX to get 10% off

– Athletic Greens: https://athleticgreens.com/lex (https://athleticgreens.com/lex) and use code LEX to get 1 month of fish oil

– BetterHelp: https://betterhelp.com/lex (https://betterhelp.com/lex) to get 10% off

– Onnit: https://lexfridman.com/onnit (https://lexfridman.com/onnit) to get up to 10% off

EPISODE LINKS:

Matt’s Podcast: https://themattwalkerpodcast.buzzsprout.com/ (https://themattwalkerpodcast.buzzsprout.com/)

Matt’s Twitter: https://twitter.com/sleepdiplomat (https://twitter.com/sleepdiplomat)

Matt’s Instagram: https://www.instagram.com/drmattwalker (https://www.instagram.com/drmattwalker)

Matt’s Website: https://www.sleepdiplomat.com/ (https://www.sleepdiplomat.com/)

PODCAST INFO:

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Apple Podcasts: https://apple.co/2lwqZIr (https://apple.co/2lwqZIr)

Spotify: https://spoti.fi/2nEwCF8 (https://spoti.fi/2nEwCF8)

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YouTube Full Episodes: https://youtube.com/lexfridman (https://youtube.com/lexfridman)

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SUPPORT & CONNECT:

– Check out the sponsors above, it’s the best way to support this podcast

– Support on Patreon: https://www.patreon.com/lexfridman (https://www.patreon.com/lexfridman)

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– Medium: https://medium.com/@lexfridman (https://medium.com/@lexfridman)

OUTLINE:

Here’s the timestamps for the episode. On some podcast players you should be able to click the timestamp to jump to that time.

(00:00) – Introduction

(09:56) – Putin moment: Lex takes Matt’s sunglasses

(10:17) – Fascination with sleep

(14:26) – Why do we sleep?

(22:58) – Computer vision for driver assistance

(32:19) – Consciousness is fundamental

(40:25) – Lex on human to robot connection

(42:52) – Scent of a Woman is better than “John Wick”

(54:33) – Distinction between coffee and caffeine

(1:20:17) – The science of ‘sleeping on it’

(1:34:10) – Lex on his sleeping schedule

(1:59:14) – Chronotypes

(2:06:44) – How to overcome insomnia

(2:24:07) – Diet and sleep

(2:33:03) – Where do dreams come from?

(2:46:41) – How sleep affects emotions

(2:53:35) – Meaning of life