【摘要】 采用问卷式回顾性调查法，对１５８８名大学生午睡、失眠及睡眠习惯等进行调查。结果表明：经常午睡者为调查总人数的６７．５％，有时午睡为２３．６％，很少午睡者为８．９％，男女学生午睡习惯无明显差异。从小学至中学，经常午睡人数增加。来自农村与来自城市的学生之间差异显著。学生经常失眠的发生率为３．２％，有时失眠为５７．１％。很少午睡者与经常午睡者比较，从不失眠者明显多于后者，Ｐ＜０．０１；经常失眠的发生率在二者间无明显差异。提示：午睡虽是一种普遍现象，但不是生理需要。失眠与是否经常午睡无相关性。更多还原

【Abstract】 In the answers to the questionaire about afternoon nap habit replied by 1588 medical college students,67.5%of the total took the nap regularly, 23.6% occasionally, and 8.9%rarely. There was no sex. difference. The number of students who had the afternoon nap habit increased from those in primary schools to those in high schools. Significant differencewas found in the regular afternoon nap habit between the rural students and the urban ones.3.2%of the samples complained of persistent insomnia, while 57.1%of the total oaly had occasional insomnia. Compared with the number of the students who took the nap regularly,the number of the students who never had insomnia increased in the students who took the nap rarely, and there was no significant difference between the insomnia rates of the former and that of the latter.The results indicate that afternoon nap is a common phenomena, but it is not a physiological necessity. No correlation is found between afternoon nap habit and insomnia.更多还原