- There is a persistent or recurrent pattern of sleep disturbance due primarily to one of the following:
- Alterations of the circadian time keeping system
- Misalignment between the endogenous circadian rhythm and exogenous factors that affect the timing or duration of sleep
Click here to link to Patient/Physician Education - D. circadian-related sleep disturbance leads to insomnia, EDS, or both
- The sleep disturbance is associated with impairment of social, occupational, or other areas of functioning