Physical activity and executive function in Chinese preschool children: the mediating role of sleep problems

Xiaolong Chen1, TianChang Li2,3, Weiling Zhou4

  • 1Zhejiang Philosophy and Social Science Laboratory for Research in Early Development and Childcare, Hangzhou Normal University, Hangzhou, China.

Frontiers in Psychology
|September 4, 2025
PubMed

Insights

Higher physical activity in preschoolers is linked to better executive function and fewer sleep problems. Sleep issues partially explain how exercise benefits cognitive skills in young children.

Area of Science:

  • Child Development
  • Behavioral Science
  • Sports Medicine

Background:

  • Executive function is crucial for preschooler development.
  • Physical activity is recognized for its cognitive benefits.
  • The role of sleep problems as a mediator is under-explored.

Purpose of the Study:

  • To investigate the relationship between physical activity and executive function in preschoolers.
  • To examine the mediating effect of sleep problems in this association.

Main Methods:

  • 159 preschoolers participated.
  • Objective measurement of physical activity (ActiGraph GT3X-BT).
  • Validated questionnaires for sleep problems and executive function.
  • Correlation and mediation analyses were performed.

Main Results:

  • All physical activity measures (LPA, MVPA, TPA) negatively correlated with executive function.
  • Physical activity levels were negatively correlated with sleep problems.
  • Sleep problems positively correlated with executive function.
  • Sleep problems mediated 24.65-28.20% of the physical activity-executive function link.

Conclusions:

  • Increased physical activity is associated with enhanced executive function and better sleep in preschoolers.
  • Sleep problems partially mediate the positive impact of physical activity on executive function.
  • Interventions promoting physical activity can improve sleep and foster executive function development.
Abstract

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