Sleep Disorders

Any disorder that affects, disrupts, or involves sleep.

National Center on Sleep Disorders Research

The National Center on Sleep Disorders Research provides a section on its Web site for patient and public information, which includes publications and fact sheets, an interactive sleep quiz, and links to further online resources.

National Sleep Foundation

The National Sleep Foundation supports sleep-related education, research, and advocacy. Its attractive site contains extensive information about the prevalence and effects of sleep deprivation and many helpful on-line articles.

TeensHealth: Common Sleep Problems

A teen-focused description of sleep and sleep disorders.


The American Academy of Sleep Medicine sponsors YourSleep, which houses resources on sleep disorders, treatments, hygiene, studies, and more.

Dana Articles

The Sleeping Brain

By: Chiara Cirelli, M.D., Ph.D. , and Giulio Tononi, M.D., Ph.D.

(Listen to Q&A with Chiara Cirelli, M.D., Ph.D.)
While scientists believe that sleep re-energizes the body's cells, clears waste from the brain, and supports learning and memory, much still needs to be learned about the part it plays in regulating mood, appetite and libido.

Cleaning the Dirty Brain?

Researchers describe the role of the brain’s glymphatic system, which helps dispose of dangerous proteins, during a recent symposium in London.

Decoding the Patterns in Sleep

Researchers at the 10th FENS Forum of Neuroscience in Copenhagen suggest that differences in sleep waves could reflect intelligence or disease states.

The Neuroscience of Bedtime

Chronically rising too early or too late can lead to health troubles. 

Sleep Deprivation Increases Susceptibility to False Memories

Learning false information when sleepy can change a person’s memory of a photograph, researchers find.

The Link Between Depression, Sleep, and Stress

 Researchers discussed the molecular mechanisms linking sleep to depression and stress at the 9th FENS Forum of Neuroscience in Milan last month.

Why Is Sleep So Important?

Many recent studies have demonstrated that sleep benefits all aspects of neural plasticity. Currently under investigation are the underlying cellular mechanisms, which should explain why these benefits can only be obtained when the brain is off-line. One of our series of Reports on Progress.

Unlocking the Mystery of Consciousness

Researchers are starting to build theories of what makes us self-aware based on research in unconsciousness, including anesthesia and recovery from coma.