The Mystery of Sleep
The Need for Sleep and Its Function
Most of us sleep at least once a day and wake up feeling relatively refreshed. Slipping into the unconsciousness of sleep is, for many, as natural and pleasurable as eating or laughing. But for millions of Americans, sleeping is a problem that disrupts their lives to some degree.1 They have trouble falling asleep, they sleep too much, they fall asleep suddenly at inappropriate times, or they sporadically stop breathing during sleep. Researchers here and abroad are probing sleep's mysteries and learning how to apply their findings to help those suffering from the sleep disorders that now make up an entire area of clinical medicine.
The discovery of rapid eye movement (REM) sleep and its significance in ...