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Dr. Matthew Walker, All Things Sleep — How to Improve Sleep, How Sleep Ties Into Alzheimer’s Disease and Weight Gain, and How Medications (Ambien, Trazodone, etc.), Caffeine, THC/CBD, Psychedelics, Ex

Illustration via 99designs “Most of us assume that sleep evolved. But why should we make that assumption? Why isn’t it that sleep was the default state when life emerged, and it was wakefulness that