Dave Rubin of The Rubin Report talks to sleep expert Matthew Walker about the dangerous effects of sleep deprivation, what research says about sleep and caffeine, and some sleep tips to optimize your health. First, Matthew explains how misunderstandings of the sleep cycle can have damaging effects and why naps have the potential to backfire. Next, Matthew explains how your sleep is affected by caffeine and coffee, and it is not as simple as you'd think. He reveals the ideal timing for drinking coffee and how to sleep better by controlling your exposure to light in the evening as well as in the morning. He also shares simple and effective tips for better sleep that will optimize physical and brain health.

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