1min chapter

The Knowledge Project with Shane Parrish cover image

#131 Matthew Walker: The Power of Sleep

The Knowledge Project with Shane Parrish

CHAPTER

Are You Feeling Sleepy?

Many of us underestimate temperature as one of the key regulators of sleep. It's temperature that seems to dictate when you will naturally want to wake up. And we can do these studies. For example, if i were to bring you into a room with no cues as to what time of day it is and there are no clocks on the wall,. I'm just going to say, are you feeling sleepy? Are you?

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