II. Causes: Medications
III. Associated Conditions: Chronic Medical Disorders
- Endocrine conditions
- Musculoskeletal conditions
- Joint or Muscle pain (e.g. Osteoarthritis, Fibromyalgia)
- Genitourinary
- Cardiopulmonary
- Miscellaneous conditions
- Reflux Esophagitis
- Pruritus due to dermatologic or systemic conditions
- Dementia
- Chronic Pain
IV. Associated Conditions: Psychiatric Disorders
V. Causes: Sleep Disorders
- Restless Legs Syndrome
- Periodic Limb Movement disorder
- Obstructive Sleep Apnea
-
Circadian Rhythm Sleep Disorder
- Extrinsic (e.g. Shift Work Disorder, Jet Lag, Delayed Sleep Phase)
- Intrinsic (e.g. Delayed Sleep Phase Disorder)