
Why We Sleep
The reasons that we sleep are gradually becoming less enigmatic
JEROME M. SIEGEL is a professor of psychiatry and a member of the Brain Research Institute at the University of California at Los Angeles Medical Center. He is also chief of neurobiology research at the Sepulveda Veterans Affairs Medical Center. He is a former president of the Sleep Research Society and chair of the Associated Professional Sleep Societies. His other research interests include the evolution and function of REM sleep and the effects of sleep deprivation and apnea.

Why We Sleep
The reasons that we sleep are gradually becoming less enigmatic

Narcolepsy
Although people with the disorder do not fall face-first into their soup as in the movies, narcolepsy is still a mysterious disease. But science has new leads