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Psychiatr Clin North Am. 2006 Dec;29(4):989-1007; abstract ix.

Circadian rhythm sleep disorders and phototherapy.

Author information

1
Department of Neurology, Northwestern University Feinberg School of Medicine, Abbott Hall, Chicago, IL 60611, USA.

Abstract

Circadian rhythm sleep disorders are characterized by a desynchronization between the timing of the intrinsic circadian clock and the extrinsic light-dark and social/activity cycles resulting in symptoms of excessive sleepiness and insomnia. This article explores the six recognized circadian rhythm sleep disorders: delayed sleep phase syndrome, advanced sleep phase syndrome, non-24-hour sleep-wake syndrome, irregular sleep-wake pattern, shift work sleep syndrome, and time zone change syndrome. Additionally discussed are the therapeutic roles of synchronizing agents, such as light and melatonin.

PMID:
17118278
DOI:
10.1016/j.psc.2006.09.009
[Indexed for MEDLINE]
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