Americana: Pillow Talk

Ever dream of a few more hours each night in the land of Nod? Most people have, which makes them experts, sort of, in somnology, the science of sleep. Now Psychologist Wilse Webb of the University of Florida has come up with a finding that many people may have suspected all along: they sleep less than they used to. After 20 years of study, Webb reports that Americans today, on average, sleep 1½ hours less daily than they did 60 years ago. Says he: "We're definitely squeezing sleep."

Nowadays the national average for most adults is 7½ hours. About 15% sleep less...

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