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    Sleep Apnea

    Sleep apnea is a serious sleep disorder that occurs when a person's breathing is interrupted during sleep. People with untreated sleep apnea stop breathing repeatedly during their sleep, sometimes hundreds of times. This means the brain -- and the rest of the body -- may not get enough oxygen.

    There are two types of sleep apnea:

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    Living With Sleep Apnea

    When Dave Williams fell asleep while stopped at a red light 12 years ago, he had to face up to a problem. "I was falling asleep at inappropriate times," says Williams, then 45, a business consultant in Cordova, Tenn. His doctor diagnosed obstructive sleep apnea (OSA), a condition in which breathing pauses repeatedly during sleep, and symptoms include loud snoring at night and sleepiness during the day. "People who have sleep apnea typically don't have any problems with their breathing while they're...

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    • Obstructive sleep apnea (OSA): The more common of the two forms of apnea, it is caused by a blockage of the airway, usually when the soft tissue in the back of the throat collapses during sleep.
    • Central sleep apnea: Unlike OSA, the airway is not blocked, but the brain fails to signal the muscles to breathe, due to instability in the respiratory control center.

    Am I at Risk for Sleep Apnea?

    Sleep apnea can affect anyone at any age, even children. Risk factors for sleep apnea include:

    • Being male
    • Being overweight
    • Being over age 40
    • Having a large neck size (17 inches or greater in men and 16 inches or greater in women)
    • Having large tonsils, a large tongue, or a small jaw bone
    • Having a family history of sleep apnea
    • Gastroesophageal reflux, or GERD
    • Nasal obstruction due to a deviated septum, allergies, or sinus problems

    What Are the Effects of Sleep Apnea?

    If left untreated, sleep apnea can result in a growing number of health problems, including:

    In addition, untreated sleep apnea may be responsible for poor performance in everyday activities, such as at work and school, motor vehicle crashes, and academic underachievement in children and adolescents.


    WebMD Medical Reference

    Reviewed by David T. Derrer, MD on September 02, 2014
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