Fig. 3
From: Chronotype characteristics of professional athletes in China: a comprehensive descriptive study
Chronotype characteristics of athletes across different sleep symptoms and habits (including correlations with the severity of sleep disorders (A), differences in the presence of sleep breathing disorders (B), differences in the presence of travel-related sleep issues (C), differences in napping habits (D), differences in daily caffeine intake (E), and differences in daily pre-sleep electronic device usage (F). *p < .050, **p < .010, ***p < .001. Dotted lines in the scatter plots represent the 95% confidence intervals for linear trends)