#127 - AMA #3 with sleep expert, Matthew Walker, Ph.D.: Fasting, gut health, blue light, caffeine, REM sleep, and more

We discuss:

• Matt's framework for changing his mind when faced with new information [1:30];
• Blue light—How Matt shifted his thinking [5:45];
• Caffeine—How Matt has adjusted his hypothesis [12:00];
• REM sleep—Why Matt is more bullish on the importance of dream sleep [16:30];
• How to increase REM sleep [27:30];
• Sleep tracking wearables—criteria for evaluation, and why Matthew favors Oura [35:00];
• Does the electromagnetic force of devices have any impact on sleep? [40:15];
• The relationship between fasting and sleep [46:15];
• Restless leg syndrome [58:10];
• Magnesium supplementation as a sleep aid [1:03:00];
• The relationship between sleep deprivation and gut health [1:08:30];
• The next evolution in sleep science and technology [1:16:30];
• Questions Matt would like to explore if money was no issue [1:24:15]; and
• More.

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