Ep56 - Matthew Walker: "Why Sleep Matters"
Talks at Google
00:00
Do You Drink Coffee Early?
If you're using caffeine before midday, you're probably self-medicating your state of chronic sleep deprivation. So what's the latest I can have my coffee? I would scale back 14 hours before bed. We've done some studies where we give you one single dose of caffeine and then measure your sleep that night. And typically what you have is about a 20% reduction in the amount of deep sleep as a consequence of that coffee.
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