night terror; pavor nocturnus
Medical term for a sleep disorder, primarily in children, involving intense fear and agitation during non-REM sleep.
Night terror is a sleep disorder mainly seen in early childhood.
睡眠時驚愕症 is a synonym for night terror, often used in formal medical contexts.
Compound of 夜 (night), 驚 (surprise/fright), and 症 (condition/syndrome). A modern medical coinage.