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

In this episode, my guest is Dr. Matt Walker, Ph.D., Professor of Neuroscience and Psychology and the Founder & Director of the Center for Human Sleep Science at the University of California, Berkeley. He is also the author of the international best-selling book Why We Sleep and the host of "The Matt Walker Podcast." We discuss the biology of sleep, including its various stages and what specifically happens to those stages when we don't get enough sleep. We also discuss the effects of sunlight, caffeine, alcohol, naps, hormones, exercise, marijuana, sexual activity, and various supplements on sleep. The episode consists of both basic science information and many science-supported actionable tools.  Read the full show notes for this episode at hubermanlab.com. Thank you to our sponsors AG1: https://athleticgreens.com/huberman LMNT: https://drinklmnt.com/hubermanlab Waking Up: https://wakingup.com/huberman Momentous: https://livemomentous.com/huberman Timestamps 00:00:00 Introducing Dr. Matt Walker   00:02:16 Sponsors: AG1, LMNT & Waking Up 00:06:00 What Is Sleep?   00:10:20 REM (Rapid Eye Movement) aka 'Paradoxical Sleep'   00:16:15 Slow Wave Sleep aka 'Deep Sleep'   00:24:00 Compensating For Lost Sleep   00:32:20 Waking in the Middle Of The Night   00:39:48 Uberman (Not Huberman!) Sleep Schedule   00:42:48 Viewing Morning Sunlight   00:49:20 Caffeine   01:07:54 Alcohol   01:14:30 Growth Hormone & Testosterone   01:16:14 Emotions, Mental Health & Longevity   01:20:40 Books vs. Podcasts   01:21:20 Lunchtime Alcohol   01:25:00 Marijuana/CBD   01:36:00 Melatonin   01:54:14 Magnesium   01:58:10 Valerian, Kiwi, Tart Cherry, Apigenin   02:15:00 Tryptophan & Serotonin   02:19:24 Naps & Non-Sleep-Deep-Rest (NSDR)   02:28:23 Is It Possible To Get Too Much Sleep?   02:34:35 Sex, Orgasm, Masturbation, Oxytocin, Relationships   02:47:30 Unconventional Yet Powerful Sleep Tips   02:59:10 Connecting to & Learning More from Dr. Walker   03:04:42 The New Dr. Matt Walker Podcast, Reviews & Support   Disclaimer & Disclosures