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Your Guide to Sleep Disorders.
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From nightmares to insomnia to sleep apnea, sleep disorders disrupt the sleep of millions of people all over the world. Let's look at the various types of sleep disorders.

Insomnia

Whether you have trouble falling asleep, staying asleep or waking up too early, you may be suffering from insomnia.
Insomnia, the Whole Ball of Wax

Sleep Apnea

Sleep apnea causes cessation of breathing in sleep, which, in turn, can cause heart disease, strokes, high blood pressure and excessive daytime sleepiness.
Apnea and Your Heart
Sleep Apnea - The Basics

Narcolepsy

Characterized by uncontrolled sleepiness and excessive daytime sleepiness, narcolepsy makes living a normal life difficult.
Narcolepsy - Symptoms, Causes and Treatment

Restless Leg Syndrome

Restless Leg Syndrome (RLS) is that creepy, crawly sensation that keeps you awake night after night as you fight the need to move your legs.
Battling Restless Leg Syndrome

Advanced or Delayed Sleep Phase Syndrome

People suffering from advanced sleep phase syndrome become irresistibly sleepy a little earlier every evening and wake up a little earlier every morning, completely throwing the system off the sleep patterns of the majority of the world.
Trying to Sleep with Two Left Feet

Dreams, Nightmares and Night Terrors.

Everyone dreams, although some folks might not recall their dreams. However, sometimes dreams can turn really scary.
The Dreaming World
Dreams That Terrify - Nightmares
Dreams That Terrify - Night Terrors

Sleepwalking and Talking

These are known as parasomnias, any of several disorders that frequently interfere with sleep.
Walking and Talking

Sleep Paralysis

Whole body paralysis that may occur at the beginning of sleep or upon any awakening during the night or in the morning.
The Terror of Sleep Paralysis