1. a chronic sleep disorder characterized by sudden attacks of deep sleep and excessive daytime sleepiness
Usage: medical

Examples

• The student was diagnosed with narcolepsy after falling asleep repeatedly during class.
• Narcolepsy can make it dangerous to drive or operate machinery.
• People with narcolepsy may experience sudden muscle weakness triggered by strong emotions.
• Treatment for narcolepsy often includes medication and scheduled naps.
• The symptoms of narcolepsy typically begin in adolescence or young adulthood.
• Her narcolepsy made it difficult to maintain a regular work schedule.