In central sleep apnea, a lack of signals from the brain interrupts breathing during sleep. Learn more about this uncommon condition.| Sleep Foundation
Visit the pages below to learn about different types of sleep disorders and their symptoms, how they're diagnosed and treated, and more.| 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
Sleep is a complex and dynamic biological process that still isn’t fully understood. Learn about how sleep works and why it’s vital for overall health.| 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
Our editorial policy is the driving force of our high standard for quality. Learn about the methods we employ to produce accurate, unbiased content| Sleep Foundation
Sleep deprivation can come with steep consequences, including an increased risk of car crashes, heart problems, reduced immune function, and a lower quality of life. Learn how to spot the symptoms.| Sleep Foundation
Obstructive sleep apnea is a condition marked by abnormal nighttime breathing. Learn more about the symptoms, causes, and treatments of obstructive sleep apnea.| 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