Chronotypes: Evolution Explains Night Owls and Early Birds

In the jungle, the mighty jungle, the lion sleeps tonight… catchy song, even if it misrepresents Panthera leo.

Lions, like many other predators, are opportunistic about when they hunt, and that includes plenty of nocturnal prowling. New research suggests variation in chronotypes, or sleep and wakefulness patterns, gave our ancestors an evolutionary advantage by helping them survive the dangerous hours of darkness. Remember that the next time you’re wide-eyed at 2 a.m. watching Law &

Leave a Reply