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skos:definition |
MSH: Conditions characterized by disturbances of usual sleep patterns or behaviors. Sleep disorders may be divided into three major categories: DYSSOMNIAS (i.e. disorders characterized by insomnia or hypersomnia), PARASOMNIAS (abnormal sleep behaviors), and sleep disorders secondary to medical or psychiatric disorders. (From Thorpy, Sleep Disorders Medicine, 1994, p187),CSP: conditions characterized by disturbances of usual sleep patterns or behaviors; divided into three major categories: dyssomnias (i.e. disorders characterized by insomnia or hypersomnia), parasomnias (abnormal sleep behaviors), and sleep disorders secondary to medical or psychiatric disorders.,MEDLINEPLUS: <p>Is it hard for you to fall asleep or stay asleep though the night? Do you wake up feeling tired or feel very sleepy during the day, even if you have had enough sleep? You might have a sleep disorder. The most common kinds are</p><ul> <li>Insomnia - a hard time falling or staying asleep</li> <li><a href='http://www.nlm.nih.gov/medlinepl
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