Four hours of homework, lacrosse practice, a full night’s sleep. In describing the life of a typical high school teenager, one of these does not belong. With the endless list of activities teenagers have to keep up with, sometimes sleep just does not fit into the schedule. Does this describe you? Do you sometimes feel tired enough to fall asleep on the desk in second period? Do you actually fall asleep in all of your classes? Take this quiz to find out just how sleep deprived you really are.