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Sleep - Sleep disorders

Sleep - Sleep disorders: Encyclopedia II - Sleep - Sleep disorders

Disorders of sleep are broadly classified into three groups. Dyssomnias are characterized by difficulty getting to sleep, as in primary insomnia, narcolepsy, and restless legs syndrome. Obstructive sleep apnea, a condition that is being diagnosed with increased frequency, may be classified either as a dyssomnia or as an example of a parasomnia. The latter conditions involve bothersome awakenings during sleep, and also include bruxism and sleepwalking. The third group includes sleep disorders resulting from a number of psychiatric problems, such as bipola ...

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Sleep, Sleep - Sleep physiology, Sleep - Methodology, Sleep - Sleep regulation, Sleep - Stages of sleep, Sleep - Theories regarding the function of sleep, Sleep - Dreaming, Sleep - Sleep deprivation, Sleep - Sleep disorders, Sleep - Animal sleep, Sleep - Approaches to sleeping better, Sleep - Drugs and sleep, Sleep - Sleep aiding, Sleep - Stimulant drugs

Sleep, Sleep - Animal sleep, Sleep - Approaches to sleeping better, Sleep - Dreaming, Sleep - Drugs and sleep, Sleep - Methodology, Sleep - Sleep aiding, Sleep - Sleep deprivation, Sleep - Sleep disorders, Sleep - Sleep physiology, Sleep - Sleep regulation, Sleep - Stages of sleep, Sleep - Stimulant drugs, Sleep - Theories regarding the function of sleep, Co-sleeping, Jet lag, Myoclonic twitch, Microsleep, Seasonal affective disorder, Sleep hygiene, Sleep inertia, Polyphasic sleep

Sleep: Encyclopedia II - Sleep - Sleep disorders

Sleep - Sleep disorders

Disorders of sleep are broadly classified into three groups. Dyssomnias are characterized by difficulty getting to sleep, as in primary insomnia, narcolepsy, and restless legs syndrome. Obstructive sleep apnea, a condition that is being diagnosed with increased frequency, may be classified either as a dyssomnia or as an example of a parasomnia. The latter conditions involve bothersome awakenings during sleep, and also include bruxism and sleepwalking. The third group includes sleep disorders resulting from a number of psychiatric problems, such as bipolar disorder, depression, or schizophrenia.

Many sleep disorders result from errors in synchronization of sleep with the body clock. Other sleep problems are organic and cannot be resolved with chronotherapy. One often effective solution to some kinds of insomnia involves free-running sleep. Free-running sleep entails ignoring alarm clocks and schedules in order to sleep when, and only when, tired. Free-running sleep can resolve the majority of synchronization-dependent sleep disorders, but is difficult to sustain due to the resulting loss of synchronization of sleep with the outside world (including the day-night cycle).

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Adapted from the Wikipedia article "Sleep disorders", under the G.N U Free Docmentation License. Please also see http://en.wikipedia.org/wiki

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