Hypersomnia

An extreme daytime sleepiness and persistent, overwhelming urge to sleep despite adequate nocturnal sleep, often resulting in impaired alertness, concentration, and daily functioning.

Causes

• Sleep-related disorders

  • Sleep apnea

  • Narcolepsy

  • Insufficient sleep syndrome

  • Idiopathic hypersomnia

  • Circadian rhythm sleep disorders

  • Poor sleep quality despite adequate sleep duration

• Neurological causes

  • Brain injury

  • Multiple sclerosis

  • Parkinson's disease

  • Kleine-Levin syndrome

  • Epilepsy

  • Brain tumor

  • Neurodegenerative disorders affecting sleep-wake regulation

• Hypothyroidism

• Anemia

• Chronic infections or inflammatory diseases

• Post-viral fatigue states

• Medications

  • Sedatives

  • Narcotics/opioids

  • Cannabis

  • Alcohol

  • Other central nervous system depressants

• Psychiatric causes

  • Depression

  • Bipolar disorder

  • Chronic stress-related sleep disturbance

• Shift work or irregular sleep schedules