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有些学生在上课时经常睡觉,老师叫醒片刻又随之睡去。老师以为是学生在家休息不好,家长更是感到纳闷儿,因为孩子在家也是经常睡不醒。其实,孩子是患了一种被称之为“发作性睡病”的神经精神疾病。发作性睡病并不罕见,据统计,大约占人群中的0.5%。发病年龄多在10~20岁。此病病因目前尚不十分明确,大约10%~30%有家族遗传史。有时与头部外伤、受惊吓或病毒感染等有关。但经常找不到任何原因,也查不出阳性体征。用CT、核磁共振等检查,也查不出脑部有何病变。据研究,可能是由与睡眠有关的神经递质失调引起的。本病的特点是起病比较突然,时时出现不可抗拒的睡意,尽管患者用力睁眼,咬自己的手或臂,也不能克
Some students often sleep during class and the teacher wake up for a while and then fall asleep. The teacher thought it was a bad student rest at home, parents feel even more puzzled children, because the children often sleep at home. In fact, the child is suffering from a neuropsychiatric disorder known as “narcolepsy.” Narcolepsy is not uncommon, according to statistics, accounting for about 0.5% of the population. Age more than 10 to 20 years of age. The etiology of the disease is not yet very clear, about 10% to 30% have a family history. Sometimes associated with head trauma, frightened or viral infections. But often can not find any reason, can not find positive signs. With CT, MRI and other tests, but also not detect any lesions in the brain. According to the study, may be caused by sleep-related neurotransmitter disorders. The disease is characterized by a relatively sudden onset, from time to time irresistible drowsiness, although the patient forced eyes open, bite his hand or arm, can not be grams