1 of 5 / Good Sleep Habits
View AllAre You Getting Enough Sleep?
The amount of sleep a person needs depends on many factors, including age.
Stages of Sleep
Sleep stages are divided into non-rapid eye movement (non-REM) and rapid eye movement (REM).
Facts About Dreaming
We all dream -- even if we don't remember it the next day. But why do we dream? And what do dreams mean, anyway?
Do You Get Good Sleep?
Sleep hygiene is a combination of sleeping conditions and lifestyle habits that help you get consistent, uninterrupted sleep.
2 of 5 / Sleep Disorders
View AllInsomnia
Insomnia is a sleep disorder that is characterized by difficulty falling and/or staying asleep.
Hypersomnia (Daytime Sleepiness)
Hypersomnia, or excessive sleepiness, is a condition in which a person has trouble staying awake during the day.
What Are Parasomnias?
Parasomnias are disruptive sleep disorders that can occur during arousals from REM sleep or partial arousals from non-REM sleep.
REM Sleep Behavior Disorder
With REM sleep behavior disorder, the paralysis that normally occurs during REM sleep is incomplete or absent.
3 of 5 / Other Sleep Problems
View AllUnderstanding Bedwetting
Bedwetting is most often a developmental issue. Most kids simply outgrow it and never need treatment.
Nightmares in Adults
When you wake up terrified from a disturbing nightmare, you might think you're the only adult who has them.
Sleepwalking Basics
Sleepwalking symptoms aren’t as obvious as they may seem. Get the details here.
Sleep Paralysis
Have you ever felt like you were awake but unable to move? This condition is called sleep paralysis.
4 of 5 / What Affects Sleep
View AllCommon Sleep Issues
Learn about some of the most common sleep disorders.
When Your Partner Has a Sleep Disorder
Your partner may not be the only one missing out on a good night's rest. More than likely, your sleep is being affected, too.
Sleep and Your Immune System
What is the connection between sleep and your body's defense against illness and infection? It works both ways.
Reducing Stress for Better Sleep
If high levels of unwanted stress are not properly managed, your health and sense of well-being can suffer.
5 of 5 / Tests & Treatment
View AllDiagnosing Sleep Problems
Learn about specific sleep problems and steps in treating and diagnosing sleep problems.
How Clinical Trials Work
A clinical trial is a program that tests the effectiveness and safety of various interventions in people with sleep disorders.
Side Effects of Sleeping Pills
A sleeping pill may be effective at ending your sleep problems short-term.
Suggested Reads about Sleep Disorders
Hate Waking Up? These Tips Can Help
Here are eleven ways from WebMD to bound out of bed when your alarm goes off.
New Ways to Help You Fall Asleep
If all the usual advice for getting to sleep hasn’t worked, you may want to try newer tricks to help you nod off.
12 Causes of Fatigue and How to Fight It
Always tired? WebMD examines causes and fixes for fatigue.
How Insomnia Can Affect Your Health
Insomnia-related health problems range from "brain fog" to a higher risk of diabetes. Learn more about health problems linked to chronic insomnia.
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