Abnormal Sleep Behavior Disorders
REM Sleep Behavior Disorder
For most people, dreaming is purely a "mental" activity: dreams occur in the mind while the body is at rest.
Circadian Rhythm Sleep Disorders
Non-24 Sleep Wake Disorder
What is Non-24-Hour Sleep Wake Disorder?
Excessive Daytime Sleepiness Disorders
Do I Have Excessive Sleepiness?
Is My Sleepiness Normal?
How Meditation Can Treat Insomnia
Mindfulness exercises may help the brain calm down and give you a better night’s sleep.
Sleep & Disease
How Sleep Apnea Affects Blood Pressure
Experts now believe the relationship between the sleep disorder and high blood pressure is significant.
3 Signs You're Too Stressed to Sleep—and How to Unwind
Here are clues from your body and mind that your stress-meter is running too high for you to snooze well.
Sleep Related Breathing Disorders
The Connection Between Weight and Sleep Apnea
Losing a few pounds is more than a vanity play—it could help reduce your risk of this debilitating health condition.
Sleep Related Movement Disorders
Restless Legs Syndrome (RLS) and Sleep
Approximately one in ten adult Americans suffer from Restless Legs Syndrome (RLS), also known as Willis-Ekbom Disease. Learn more about this sleep-related movement disorder.