"Short Sleepers" Exist, But You're Probably Not One Of Them

Researchers have found that there are some people who only need a few hours of sleep per night — but the vast majority of us really should be getting 7 or 8 hours per night. According to the Wall Street Journal, while one-third of U.S. adults are getting less sleep than they should, about 1% to 3% of the population… » 4/11/11 7:00pm 4/11/11 7:00pm