THE SECRETS OF SLEEP.

Focuses on sleep research and the learning potential of sleep. Finding that getting more sleep helps students do better in school; Role of the sleeping brain in solidifying memories and processing newly learned lessons; Views of sleep researchers; Findings of sleep studies; Diseases connected to sleep deprivation; How those most at risk for heart problems due to bad sleep are people with apnea; Use of the body's sleep-wake clock by cancer researchers. INSET: HOW TO GET A GOOD SLEEP.