Definitions

1. noun

a sudden, brief loss of muscle tone and strength, often triggered by strong emotions, which can cause a person to collapse or fall.

“He was diagnosed with cataplexy and had to take medication to manage his symptoms.”

2. noun

a rare neurological disorder that affects the brain’s ability to regulate muscle tone and strength, often causing episodes of cataplexy and other symptoms such as sleep paralysis and hypnagogic hallucinations.

“She has narcolepsy with cataplexy and has to be careful about her daily activities.”