Methods 1615 university students were investigated with the Self-Rating Scale of Sleep.

方法采用睡眠状况自评量表（SSRS）对1615名大学生的睡眠状况进行了调查。

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Methods 1615 university students were investigated with the Self-Rating Scale of Sleep.

方法采用睡眠状况自评量表（SSRS）对1615名大学生的睡眠状况进行了调查。

youdao