ArticleNature and science of sleep2026
The Relationship Between Night Sleep Duration and Anxiety Among Preschool Children: A Cross-Sectional Study in China.
Article in Nature and science of sleep, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Objective: This study aims to examine the relationship between habitual nighttime sleep duration and anxiety symptoms in preschoolers, and to identify a potential sleep-health threshold for mental health promotion. Methods: This cross-sectional study included 1589 participants from two public kindergartens. Parents reported habitual nighttime sleep duration using the Children's Sleep Habits Questionnaire (CSHQ) and anxiety symptoms using the Preschool Anxiety Scale (PAS). Initial non-parametric tests were supplemented with linear mixed-effects models (LMM) incorporating for fixed effects for sleep duration and covariates, with family cluster as random intercepts. Results: Among the participants, the mean age was 4.58 ± 0.86 years, and 52.2% were male. Initial nonparametric analysis revealed significant overall differences in anxiety symptoms (PAS: Conclusion: Our data suggests that nighttime sleep duration of 9 hours is an approximate sleep-health indicator for preschool aged children. These findings reinforce the importance of prioritizing healthy sleep habits as part of early childhood wellness initiatives, including age-appropriate nighttime sleep duration.
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