Normally during REM sleep, the body experiences temporary paralysis of most of the body’s muscles while the brain is active and dreaming.| Sleep Foundation
When should you talk to your doctor about sleep problems? Discover the telltale signs, get tips for how to talk to your doctor about sleep, and learn what to expect at your appointment.| 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
A sleep study provides crucial information to diagnose and treat sleep disorders. Learn about the types of sleep studies, how they're used, and what to expect.| Sleep Foundation
Healthy sleep consists of distinct stages. We break down the defining traits of each stage and how they differ from one another.| Sleep Foundation
Sleep apnea involves disrupted breathing during sleep. Learn about the types of sleep apnea as well as potential symptoms, causes, diagnosis, and treatment.| Sleep Foundation
Insomnia is a sleep disorder that affects many people. Learn about symptoms, causes, and treatments.| Sleep Foundation