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/ Full episodes playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOdP_8GztsuKi9nrraNbKKp4 Clips playlist: https://www.youtube.com/playlist?list=PLrAXtmErZgOeciFP3CBCIEElOJeitOr41 OUTLINE: SOCIAL: - Twitter: https://twitter.com/lexfridman - LinkedIn: https://www.linkedin.com/in/lexfridman - Facebook: https://www.facebook.com/lexfridman - Instagram: https://www.instagram.com/lexfridman - Medium: https://medium.com/@lexfridman - Reddit: https://reddit.com/r/lexfridman - Support on Patreon: https://www.patreon.com/lexfridman