发作性睡病属睡眠障碍的一种,在儿科少见。我科于1984～1986年收治2例,现报告如下。例1 男,9岁。因发作性肌无力2月,发作性睡眠1月入院。患儿于2月前无诱因出现笑后“无力”,以双下肢为主,表现肌张力突然松驰而闭眼,头下垂。全身松软而不能支撑身体即刻倒地或者蹲下,历时数秒,意识清醒,发作过后跑、跳等运动正常,每 Narcolepsy is a sleep disorder, rare in pediatrics. My department in 1984 to 1986 admitted to 2 cases, the report is as follows. Example 1 male, 9 years old. Due to episodes of muscle weakness in February, episodes of sleep January admission. Children with no incentive in February before the emergence of laughter “weakness”, mainly to the lower extremities, showing a sudden relaxation of muscle tension and eyes closed, head sagging. The body is soft and can not support the body immediately fell to the ground or squat down for a few seconds, conscious, run after the attack, jump and other sports are normal, each