Obesity and sleep share a complex, cyclical relationship. Learn more about this relationship and ways to sleep better when overweight.| 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
Excessive daytime sleepiness can have serious effects on health and quality of life. Learn the causes and how to treat them.| Sleep Foundation
Insomnia is a sleep disorder that affects many people. Learn about symptoms, causes, and treatments.| Sleep Foundation
Looking for ways to sleep better? Improving sleep hygiene can make your habits, routines, & environment more conducive to consistent and restorative sleep.| Sleep Foundation
Circadian rhythms are natural, 24-hour patterns that play a vital role in the sleep-wake cycle. Learn more about how they work and how to keep them aligned.| Sleep Foundation