Longitudinal Associations Between Physical Activity and Sleep Duration in Infants and Toddlers.

IF 1.4 4区医学 Q3 PEDIATRICS Pediatric Exercise Science Pub Date : 2024-09-10 DOI:10.1123/pes.2023-0096

Agnes G Bucko,Bridget Armstrong,Kerry L McIver,Alexander C McLain,Russell R Pate

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Abstract

PURPOSE This study examined longitudinal associations between average physical activity (PA) levels in children and their sleep duration, and whether changes in PA levels are associated with their sleep duration. METHODS Data were collected on 108 children at 4 time points: when children were 6, 12, 18, and 24 months of age (44% female, 50% Non-Hispanic White). PA was assessed using accelerometry. Children's daytime, nighttime, and 24-hour sleep duration were measured with actigraphy. Linear mixed model analyses estimated the associations between average PA levels over time and changes in PA over time, treating each sleep duration variable as an outcome in separate linear mixed model analyses. RESULTS Children with higher total PA levels slept less during the day compared with children with lower total PA levels over the 2-year period. The strength of the relationship between a child's PA levels and their 24-hour sleep duration decreased as they approached 24 months of age. CONCLUSIONS The results suggest that while PA may be developmentally beneficial overall, it appears that its relationship with sleep duration is not clinically relevant in very young children.

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婴幼儿体育活动与睡眠时间之间的纵向联系。

目的本研究探讨了儿童平均体力活动（PA）水平与睡眠时间之间的纵向关系，以及体力活动水平的变化是否与睡眠时间有关。方法收集了 108 名儿童在 6、12、18 和 24 个月大时的 4 个时间点的数据（44% 为女性，50% 为非西班牙裔白人）。活动量使用加速度计进行评估。儿童的日间、夜间和 24 小时睡眠时间则通过行动记录仪进行测量。线性混合模型分析估计了随着时间推移的平均PA水平与PA随时间推移的变化之间的关系，在单独的线性混合模型分析中将每个睡眠持续时间变量视为一个结果。结果表明，虽然 PA 对儿童的整体发展有益，但其与睡眠时间的关系似乎与年幼儿童的临床情况无关。

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来源期刊

Pediatric Exercise Science 医学-生理学

CiteScore

2.80

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： Pediatric Exercise Science is a journal committed to enriching the scientific knowledge of exercise during childhood and adolescence. To this end it publishes information that contributes to an understanding of (a) the unique aspects of the physiologic, physical, biochemical, and psychologic responses of children to exercise, (b) the role of exercise in the treatment of pediatric chronic diseases, (c) the importance of physical activity in the prevention of illness and preservation of wellness, and (d) the means by which participation in sports may be made safer and more enjoyable for children and youth. Consideration will be given for publication of work by various methodologies consistent with the scientific approach. Besides original research, the journal includes review articles, abstracts from other journals, book reviews, and editorial comments. Pediatric Exercise Science encourages the expression of conflicting opinions regarding children and exercise by providing a forum for alternative viewpoints. At the same time it serves as a means of accumulating a base of research information that will allow application of experimental data to clinical practice. The scientific disciplines contributing to this body of knowledge are diverse. Therefore it is the purpose of this journal to provide a common focus for disseminating advances in the science of exercise during childhood. In doing so, the journal allows the opportunity for cross-fertilization of ideas between disciplines that will potentiate the growth of knowledge in this field. Pediatric Exercise Science seeks to stimulate new ideas regarding exercise in children and to increase the awareness of scientists, health care providers, and physical educators of the importance of exercise during childhood.