Sleep disorders, or conditions that cause difficulty getting healthy sleep, are relatively common. About 50 million Americans ...

Insomnia is the most well-known sleep disorder, but it’s far from the only one. Countless people of all ages struggle with sleep disorders that negatively affect the quality of their sleep ...

Tools and resources to help you understand and manage a range of sleep disorders.

When a person's sleep patterns are not proper due to medical reasons, it is known as a sleep disorder. Polysomnography is a test that studies such disorders in humans. Some of the types of sleep ...

Insomnia is a sleep disorder in which you have trouble falling asleep, staying asleep, or waking up too early. The condition can be short term (acute) or can last a long time (chronic). It may ...

Sleep disturbances encompass a broad range of disorders, such as insomnia, restless legs syndrome, parasomnias, sleep-disordered breathing, daytime ...