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.