From: TED Talks Daily - Thursday Dec 02, 2021 01:03 pm
What is melatonin -- and should you take it to fall asleep?
How the "hormone of darkness" really works

SLEEPING WITH SCIENCE, A TED SERIES

What is melatonin -- and should you take it to fall asleep?

2:21 minutes · Sleeping with Science

Melatonin is the hormone that tells our brains and bodies it's time to sleep. But if you think melatonin supplements will significantly improve your ability to fall asleep and stay asleep, you may have been misled. Sleep scientist Matt Walker shares how this "hormone of darkness" really works.

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Our brains: predictably irrational

Our brains: predictably irrational

The 3 pounds of jelly in our skulls allow us to reflect on our own consciousness -- and to make counterintuitive, irrational decisions. These talks explore why. Watch »

14 talks · Total run time 3:46:04