上海交通大学医学院目前在上海、成都、西安、乌鲁木齐、广州等全国9个城市的2万余名5岁￣11岁的儿童中展开了“学龄儿童睡眠现状流行病学调查”。结果显示,我国城市学龄儿童平均每日睡眠时间为9.1小时。根据我国颁布的有关学生健康和卫生工作条例中所规定的“每天应保证小学生10小时睡眠时间”为依据计算,城市学龄儿童睡眠不足发生率高达71.4%。 Shanghai Jiaotong University School of Medicine currently has more than 20,000 children aged 5 to 11 years in Shanghai, Chengdu, Xi’an, Urumqi, Guangzhou and other 9 cities nationwide. “Epidemiological investigation of sleep status among school-age children” was launched. The results show that the average daily sleep time of urban school-age children in our country is 9.1 hours. According to China’s promulgation of the relevant regulations on student health and hygiene regulations “every day should be guaranteed pupils 10 hours of sleep ” as the basis for calculation, the incidence of sleeplessness in urban school-age children as high as 71.4%.