2min chapter

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Dr. Matt Walker: The Science & Practice of Perfecting Your Sleep

Huberman Lab

CHAPTER

Melatonin

For ord in us to fall asleep and then stay asleep across the night, we do need to drop corbody temperature by about one degree celsius. That's why it's always easier to fall asleep in a room that's too cold than too hot. The only population where we typically see some benefit, and it often is prescribed, is in old redults. Because as we get older, you can typically have what's called calcification of the peneal gland,. which means that that gland that's releasing meletonin doesn't work as well any more.

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