6min chapter

The Knowledge Project with Shane Parrish cover image

#131 Matthew Walker: The Power of Sleep

The Knowledge Project with Shane Parrish

CHAPTER

Do You Think You're Ready for Bed?

The moment when you say to me, iam, sleepy now. I am ready for bed, the moment when you subjectively feel most sleepy,. You have no sense of what your cor body temperature is doing. The funny thing about falling asleep and getting cool at the core of your body is that it requires the opposite to happen in the extremity, peripheral parts of your body. And we need to warm up because during a this sleep onset phase, where blood starts to l to our hands and to our feet and to our face. It's easier to fall asleep in a room that's too cold rather than too hot. In fact, there's something in sleep science called the warm bath

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