ET CBS A camera in a refrigerator captured Ryan Pruitt eating in his sleep.
Researchers say that sleep is being directly linked to quality of life.
After her daughter was killed by a sleepy driver, Carole McDonnell is on a crusade to make it a crime to fall asleep while driving. One man let 48 Hours put cameras in his house. The cameras caught him eating a variety of foods, including brownies and soda. Later, he has no memory of his munching. Find out how much you know about sleep.