Brad Wolgast, a University of Delaware psychologist, says he is seeing more students who have been prescribed sleeping pills. Mr. Wolgast says sleeping pills usually harm sleep patterns more often than they help. (Associated Press)

Brad Wolgast, a University of Delaware psychologist, says he is seeing more students who have been prescribed sleeping pills. Mr. Wolgast says sleeping pills usually harm sleep patterns more often than they help. (Associated Press)