Coffee, Caffeine, and Sleep: A Delicate Balance

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 and use code LEX to get free postage & scale
– Squarespace: https://lexfridman.com/squarespace and use code LEX to get 10% off
– Athletic Greens: https://athleticgreens.com/lex and use code LEX to get 1 month of fish oil
– BetterHelp: https://betterhelp.com/lex to get 10% off
– Onnit: https://lexfridman.com/onnit to get up to 10% off

EPISODE LINKS:
Matt’s Podcast: https://themattwalkerpodcast.buzzsprout.com/
Matt’s Twitter: https://twitter.com/sleepdiplomat
Matt’s Instagram: https://www.instagram.com/drmattwalker
Matt’s Website: https://www.sleepdiplomat.com/

PODCAST INFO:
Podcast website: https://lexfridman.com/podcast
Apple Podcasts: https://apple.co/2lwqZIr
Spotify: https://spoti.fi/2nEwCF8
RSS: https://lexfridman.com/feed/podcast/
YouTube Full Episodes: https://youtube.com/lexfridman
YouTube Clips: https://youtube.com/lexclips

SUPPORT & CONNECT:
– Check out the sponsors above, it’s the best way to support this podcast
– Support on Patreon: https://www.patreon.com/lexfridman
– Twitter: https://twitter.com/lexfridman
– Instagram: https://www.instagram.com/lexfridman
– LinkedIn: https://www.linkedin.com/in/lexfridman
– Facebook: https://www.facebook.com/lexfridman
– Medium: 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