Why We Sleep – Matthew Walker Podcast Review

I was fascinated by a great podcast on Bulletproof Radio (Episode 616) with Matthew Walker, PhD who is the author of a recent best seller “Why We Sleep”. He is Professor of Neuroscience and Psychology at UC Berkeley and a self-proclaimed ‘Sleep Diplomat’. Some of the salient points from this podcast included: Just sleeping enough hours isn’t sufficient. In addition to deep sleep, we need REM sleep (25% of sleep) and light sleep. REM sleep optimizes glucose regulation and deep sleep regulates blood sugar equilibrium. For learning and memory, deep and light sleep are optimal. And for our emotional and mental health, REM sleep is key.Temperature is a key factor in promoting the right sleep as our body needs to drop 2-2.5 degrees to initiate sleep and stay asleep. I personally sleep much better in a cool room/climate and this could explain why.Cognitive behavioral therapy is a key bio-hack that has been demonstrated to work for insomnia. It also has shown to decrease anxiety, depression an...

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