Objective to study the sleeping quality of new students of junior middle school and its related factors, and to provide information for improving their sleep quality.
目的了解重点初中新生的睡眠质量及其相关因素，为提高新生睡眠质量的研究提供资料。
Objective To provide clinical therapeutic basement for improving sleep quality of the elderly by investigating and analysing their dyssomnia occurrence rate.
目的调查分析老年人睡眠不良的发生情况，为改善其睡眠质量提供临床治疗依据。
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