A neurological disorder affecting sleep-wake cycle regulation.

Key Symptoms:

• Excessive daytime sleepiness

• Sudden sleep attacks

• Cataplexy (muscle weakness triggered by emotions)

• Sleep paralysis

• Vivid hallucinations when falling asleep or waking

Risk Factors:

• Genetic predisposition

• Autoimmune disorders

• Brain injuries

• Family history

Testing:

• Multiple Sleep Latency Test (MSLT)

• Overnight sleep study

• Genetic testing

• Detailed medical history

Treatment Strategies:

• Medication management

• Scheduled naps

• Lifestyle adjustments

• Support group participation

• Regular sleep schedule maintenance