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Are you an elite sleeper? Why some people are healthy with 4 or 5 hours of sleep

04:13

In Wednesday’s installment of our Good Snooze series, TODAY’s Al Roker spends the night in a sleep lab to find out how some people get away with only small amounts of sleep, and to find out if he’s part of the less than one percent of people who have a genetic predisposition to sleeping less and still being healthy and happy, or if he’s ignoring his body’s need for more sleep.