中国大学生身体锻炼、睡眠质量和心理压力的关系网络分析

Objective Physical exercise, sleep quality, and psychological distress may be interconnected among university students, but their dimension-specific associations remain unclear. This study examined their network structure and compared male and female networks. Methods A convenience sample of 1,600 university students from two higher-education institutions in central China was surveyed from 16 March to 29 May 2026. Physical exercise, sleep quality, and psychological distress were assessed using the Physical Activity Rating Scale, Pittsburgh Sleep Quality Index, and 21-item Depression Anxiety St