All Things Sleep, the Circadian Clock of Cells and Hormones of Darkness w/ Dr. Judith Owens
Factually! with Adam Conover
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How to Fly From New York to Los Angeles
The human circadian clock is actually a little bit longer than 24 hours. It takes about one day per time zone to adjust, but it is harder in the eastward direction. The second wind phenomenon allows you to stay up an hour or so before your body is ready to fall asleep. For some young children, they perceive them as being evil during that time.
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