Dyssomnias are a broad classification of sleeping disorder that make it difficult to get to sleep, or to stay sleeping.
Dyssomnias include insomnia , Sleep apnea , Narcolepsy , restless legs syndrome , periodic limb movement disorder , hypersomnia , delayed sleep phase syndrome , advanced sleep phase syndrome .
Major types of dyssomnias There are over 30 recognized kinds of dyssomnias. Major groups of dyssomnias include:
Intrinsic sleep disorders - 12 disorders recognized, including Narcolepsy , Obstructive Sleep Apnea , and Restless legs syndrome . Extrinsic sleep disorders - 13 disorders recognized, including inadequate sleep hygiene, food allergy insomnia, and alcohol-dependent sleep disorder. Circadian rhythm disorders - 6 disorders recognized, including Jetlag , Shift work sleep disorder, Delayed sleep phase syndrome , and Advanced sleep phase syndrome .
External link http://www.mysleepcenter.com/Dyssomnias.html - Complete listing of the group of dysomnias and orders within each group.
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Dyssomnias - Sleep Disorders (2499 words)
Dyssomnias are primary disorders of initiating or maintaining sleep or of excessive sleepiness and are characterized by a disturbance in the amount, quality, or timing of sleep.
Within the classification of the dyssomnias , the sleep abnormalities must be fundamental to the existence of the disorder.
The dyssomnias are further divided into three groups: the intrinsic sleep disorders, the extrinsic sleep disorders, and the circadian rhythm sleep disorders.
Dyssomnias (104 words)
A dyssomnia is a disorder of getting to sleep or staying asleep or of excessive sleepiness.
The dyssomnias are disorders of sleep or wakefulness, in contrast to parasomnias, which are about the sleep/wake transition.
Dyssomnias include insomnia , apnea, narcolepsy , restless legs syndrome, periodic limb movement disorder, hypersomnia , delayed sleep phase syndrome, advanced sleep phase syndrome, Kleine-Levin syndrome, sleep starts, and REM behavior disorder.
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