The early bird gets the …
10,000 Birds
JUNE 16, 2015
In this study, the males who slept in weren’t slackers—the researchers manipulated their circadian rhythms with melatonin implants. But just a 10-minute tap on the snooze button and they not only missed out on all that hot mating action, they were often cuckolded and left raising the offspring of the early risers.
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