DURHAM, N.C. - Duke University is eliminating 8 a.m. classes and trying to come up with other ways help its sleep-deprived students, who too often are struggling to survive on a mix of caffeine, adrenaline and The school is also considering new orientation programs this fall that would help freshmen understand the importance of sleep. "Generally, the people I know, we don't see sleep as that important compared to what school and the curriculum have to offer," said Marcel Yang, a Duke freshman from Chapel Hill. Lack of sleep among college students is an old problem, but one that appears...