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
Dehydration can lead to poor sleep, and poor sleep can often lead to dehydration. Learn how to stay hydrated at night and to avoid frequent bathroom visits.| 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
Discover 24 medically-reviewed symptoms of hormonal imbalance across thyroid, reproductive, adrenal, pancreatic, and pituitary systems.| Supplements 4 Fitness
Sleep and exercise are closely intertwined. Learn how sleep can affect physical activity levels and vice versa.| Sleep Foundation
Many individuals with dementia struggle with sleep concerns. Learn about how dementia affects sleep and steps to improve sleep in people with this condition.| Sleep Foundation