The Evolution of Sleep: 700 Million Years of Melatonin

This entry was posted in New York Times Science and tagged NYT science on October 2, 2014 by Farzin

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By CARL ZIMMER

A new study suggests that humans’ melatonin-driven sleep cycles started some 700 million years ago, in worms.

Published: October 2, 2014 at 12:00AM

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