The Science & Practice of Perfecting Your Sleep | Dr. Matt Walker

About this video

Dr. Matt Walker, a professor of neuroscience and psychology at UC Berkeley and author of Why We Sleep, teaches Huberman how to get better at sleeping, covering naps, whether lost sleep can be compensated for, and how light, temperature, supplementation, food, exercise, and sex affect sleep. Dr. Walker repeatedly frames his role as empowering people with the scientific literature so they can make informed choices rather than prescribing how to live, while acknowledging balance in life. On cannabis, Dr. Walker explains that marijuana does disrupt sleep, breaking cannabis into THC, the psychoactive component, and CBD, the non-psychoactive component in his description. He says neither is technically classed as a sedative, and that THC seems to speed up the time it takes to fall asleep while still disrupting sleep, with timing relative to sleep mattering, as Huberman frames it, for substances such as alcohol and caffeine as well.

Key takeaways

• Dr. Walker frames his role as offering sleep science so people can make informed choices.
• Dr. Walker explains that marijuana disrupts sleep architecture despite THC speeding time to fall asleep.
• Dr. Walker distinguishes THC as psychoactive and CBD as non-psychoactive in his account.
• Huberman highlights discussion of naps and whether lost sleep can be compensated for.
• Dr. Walker emphasizes checks and balances rather than a puritanical prescription for life.

Episode details: published August 2, 2021 · 4.1M views · 3:06:06 long. Summary written by Self Growth Videos from the episode itself. The science and protocols described are Andrew Huberman’s, presented for education — not medical advice. Consult a qualified professional before changing your own health practices.

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