Secondary hypersomnias
Sleep pathology in adults
Causes
- Lack of sleep (20-30% general population)
- Circadian rhythm disturbances:
– Shift work
– Transmeridian flights
– Delayed Sleep Phase Syndrome
– Sleep phase advancement syndrome
– Hypernictameral syndrome - Pharmaceuticals (drugs)
- Alcohol abuse
- Medical illnesses
– Obstructive sleep apnea/hypopnea syndrome
– Central sleep apnea syndrome
– Restless legs syndrome
– Periodic limb movements
– Parasomnias - Cranial trauma
- Poor sleep hygiene
- Long sleeper
– Associated with psychiatric disorders
– Psychosis
– Mood disorders (Dysthymia, Depression, Seasonal affective disorder, Atypical depression).
– Generalized anxiety disorders
– Panic disorder