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A chain mediation model for physical exercise and sleep quality.

Yacheng Zhu1, Qing Zhang2,3, Ping Zhu4

  • 1College of Physical Education, Xizang Minzu University, Xianyang, China.

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Regular physical exercise improves sleep quality in university students by reducing anxiety and enhancing subjective well-being. This study highlights exercise as a key factor for better mental health and rest in college students.

Keywords:
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Area of Science:

  • Psychology
  • Health Sciences
  • Behavioral Science

Background:

  • University students report increasing concerns regarding sleep quality.
  • Physical exercise is linked to sleep quality, but mediating factors like anxiety and subjective well-being need further study.
  • Understanding these mediators is crucial for developing effective interventions.

Purpose of the Study:

  • To investigate the chain mediating effects of anxiety and subjective well-being on the relationship between physical exercise and sleep quality in university students.
  • To examine how physical activity influences sleep through psychological factors.
  • To provide a comprehensive model of exercise's impact on student sleep.

Main Methods:

  • A cross-sectional study involving 4,142 university students (1,525 males, 2,617 females).
  • Self-report measures assessed physical exercise, anxiety, subjective well-being, and sleep quality.
  • Statistical analyses included descriptive statistics, correlation, and chain mediation modeling using SPSS PROCESS macro.

Main Results:

  • Physical exercise positively correlated with sleep quality and subjective well-being, and negatively with anxiety.
  • Anxiety showed negative associations with both sleep quality and subjective well-being.
  • Anxiety and subjective well-being sequentially mediated the positive effect of physical exercise on sleep quality.

Conclusions:

  • Physical exercise significantly enhances sleep quality in university students.
  • Anxiety and subjective well-being act as crucial sequential mediators in this relationship.
  • Promoting physical activity is recommended for improving college students' sleep quality, mental health, and overall quality of life.