Abstract: Objective　To study the sleep conditions and the prevalence of sleep disorders， and analyze the related factors in 2～12 years old children who received medical treatment in the Department of Pediatrics of Shengjing Hospital of China Medical University. Methods　From November of 2007 to March of 2008，300 children aged 2～12 who received medical treatment in the Department of Pediatrics of Shengjing Hospital of China Medical University were investigated， whose parents were also investigated with questionnaires, which contained the family and social environment and the sleep conditions of the children.Results　The total prevalence rate of parasomnias was 65.72%（186/283）， the total prevalence rate of difficulty in falling asleep was 19.43%（55/283） and the total prevalence rate of drowsiness was 7.42%（21/283） among the children who were investigated. The average time of daily sleep of each group among 2～12 was from （11.75±1.19） hours to （9.00 ±0.84） h hours respectively. The main possible risk factors that affected the sleep conditions were gender， age， history of respiratory system diseases， smoking history of parents， educational background of parents and snoring history of parents.Conclusion　There is a higher prevalence rate of sleep disorders in 2～12-year old children receiving medical treatment in the Department of Pediatrics in the city of Shenyang . The main risk factors that affect the sleep disorders are family and social environments as well as body diseases.

Key words: epidemic survey , sleep disorders

摘要： 分析2～12岁儿童的睡眠状况及睡眠障碍的发生情况及可能影响因素。方法　对2007年11月至2008年3月中国医科大学附属盛京医院儿科门急诊就诊 的300例2～12岁儿童的睡眠状况进行调查，在严格质量控制的情况下由专人负责对家长进行儿童家庭社会环境与睡眠状况的问卷调查。结果　所调查儿童睡眠障 碍相关症状的总发生率为65.72%（186/283），入睡困难发生率为19.43%（55/283），嗜睡发生率为7.42%（21/283）。2～12岁儿童平均每日睡眠时间不等，最长 （11.75±1.19） h，最短（9.00±0.84） h。影响儿童睡眠的可能危险因素是：性别、年龄、呼吸系统疾病史、父母吸烟史、父母学历、父母打呼噜史、睡眠环 境等因素。结论　中国医科大学附属盛京医院儿科门急诊就诊的2～12岁儿童睡眠障碍发生率非常高。家庭社会环境和身体疾病是儿童睡眠障碍发生的主要影响因 素。

关键词: 儿童, 睡眠障碍, 流行病学调查