Sleep Disorders Health Center

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Sleep Disorders Overview

Need to learn more about sleep disorders? Sleep problems, including snoring, sleep apnea, insomnia, sleep deprivation, and restless legs syndrome, are common among millions of Americans. It’s important to understand why sleep is necessary for optimal health, how the natural hormone melatonin affects sleep and wakefulness, and how the different states and stages of sleep impact sleep quality, quantity, and sleep dreams.

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Real Solutions to Real Sleep Problems

WebMD's sleep expert helps three real women solve their very real sleep problems.

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Understanding Sleep Problems - Symptoms

What Are the Symptoms of Sleep Disorders?

Insomnia

Insomnia is itself often a symptom of other problems. Typical patterns of insomnia include the inability to fall asleep or stay asleep at night, waking up earlier than usual, and daytime fatigue. Most people with insomnia don't fall asleep in inappropriate situations, like driving. If this does occur, it may signal that a medical disorder (such as sleep apnea) is the cause of insomnia.

Understanding Sleep Problems - Symptoms