Health Problems

History of Sleep

Ancient Indian sages, Egyptians and Greeks, and Romans, have all described sleep in various ways, including naming the gods who brought dreams to sleepers. It was also well known that many people experienced sleep in two shifts, with an hour or three of intervening wakefulness, when one could have quiet time alone or visit one’s […]

Health Problems

Change in brain cells linked to opiate addiction, narcolepsy

Two discoveries—one in the brains of people with heroin addiction and the other in the brains of sleepy mice—shed light on chemical messengers in the brain that regulate sleep and addiction, UCLA researchers say. In 2000, UCLA researchers discovered that human narcolepsy is caused by a loss of roughly 90 percent of the 80,000 brain […]