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Sleep disorders 

Sleep disorders
Sleep disorders

Paul J. Reading


July 30, 2015: This chapter has been re-evaluated and remains up-to-date. No changes have been necessary.


Narcolepsy—expanded discussion of possible autoimmune pathogenesis that may result in the destruction of a small subset of hypothalamic neurons containing the neuropeptide hypocretin.

Rapid eye movement sleep behaviour disorder—association with the development of complex forms of Parkinson’s disease.

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date: 19 September 2021

Dysfunctional sleep is an important cause of morbidity. Sleep problems can loosely be divided into insomnias, disorders causing excessive daytime sleepiness, and parasomnias, with some conditions having elements of all three categories.

Chronic insomnia usually has a behavioural or psychological basis and responds best to cognitive or relaxation therapies, although ...

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