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Circadian Rhythm Sleep Disorders | A Brief Review Shift Work Sleep Disorder

Shift Work Sleep Disorder:

  • Insomnia or excessive sleepiness that occur in relation to work schedules.
  • Adaptation rarely occurs, mainly because of resumption of full daytime activities during days off and vacations.
  • Daytime sleep is more difficult with increasing age.
  • This may also affect early AM workers.
  • There is no anatomic or biochemical pathology.
  • GI and cardiovascular disorders may be produced or exacerbated by shift work.
  • Diagnosis by history.  Need for PSG is rare, but should be done during “shifted” sleep period followed by MSLT.