Orexins have many important functions in the body, including helping to regulate our sleep. Two new prescription sleep aids target orexins to treat insomnia.| Sleep Foundation
Narcolepsy is a sleep disorder that involves severe daytime sleepiness. Learn about the types of narcolepsy as well as the symptoms, causes, and treatments.| Sleep Foundation
REM sleep is known for dreaming, but much more happens during this critical sleep stage. Learn what REM sleep involves and how much REM sleep you need.| Sleep Foundation
Scientific Advisor Matthew Walker, Ph.D. Matthew Walker, Ph.D., is professor of neuroscience and psychology at the University of California, Berkeley, and| Sleep Foundation