Americans are sleepy -- so sleepy that fatigue takes over in some of the most dangerous situations. About one in 20 survey participants reported they'd dozed off while driving at least once in a month. And more than one-third of the those surveyed said they inadvertently fell asleep at least once in a day.
The data come from two different reports from the Behavior Risk Factor Surveillance System and were published in the Centers for Disease Control and Prevention's Morbidity and Mortality...
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