Genetics of circadian rhythm disorders

Anne Marie Chang*, Phyllis C Zee

*Corresponding author for this work

Research output: Contribution to journalReview article

1 Scopus citations

Abstract

Circadian rhythm sleep disorders are caused by an altered relationship between the circadian timing of sleep and the 24-hour world. Symptoms include insomnia, excessive sleepiness, and difficulty sleeping and/or waking at the desired time. Jet lag and shift work sleep disorder are circadian rhythm sleep disorders that occur when the environmental entrainment cues are rapidly changed in relation to an individual's circadian timing system. Other circadian rhythm disorders (advanced sleep phase [ASP] and delayed sleep phase [DSP]), are caused by fundamental alterations in the circadian timing of sleep relative to external time cues. Studies of ASP and DSP have led to the identification of several genetic variants, mainly in known circadian genes. Further studies are needed to identify genetic susceptibility to other circadian disorders. Better understanding of the physiologic and genetic basis of circadian rhythm disorders is crucial for the development of targeted therapies to improve sleep, performance, and health.

Original languageEnglish (US)
Pages (from-to)183-190
Number of pages8
JournalSleep Medicine Clinics
Volume6
Issue number2
DOIs
StatePublished - Jun 1 2011

Keywords

  • Advanced sleep phase
  • Circadian rhythm sleep disorders
  • Delayed sleep phase
  • Genetics
  • Human circadian rhythms

ASJC Scopus subject areas

  • Neuropsychology and Physiological Psychology
  • Clinical Psychology
  • Clinical Neurology
  • Psychiatry and Mental health

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