5min chapter

The Knowledge Project with Shane Parrish cover image

#131 Matthew Walker: The Power of Sleep

The Knowledge Project with Shane Parrish

CHAPTER

How Much Sleep Can I Get Away With?

There is a wonderful array of variability in what we call sleep need across the population. What we recommend is somewhere between seven to nine hours will cover the vast majority, the vast distribution of human sleep need. There are genetic short sleepers who can survive with as little as six to six hours and 15 minutes of sleep. But statistically, you're far more likely to be, for example, struck by lightning in your life. The lifetime odds of being struck by lightning is one in 12 thousandjust ifany,. If anyone's interested, i love miss alleni.

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