Temporal Associations between Actigraphy-Measured Daytime Movement Behaviors and Nap Sleep in Early Childhood.
Temporal Associations between Actigraphy-Measured Daytime Movement Behaviors and Nap Sleep in Early Childhood.
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DOI：
10.3390/ijerph192215308
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发表时间：
2022-11-19
影响因子：
--
通讯作者：
Spencer, Rebecca M. C.
中科院分区：
文献类型：
--
作者：
St Laurent, Christine W.;Holmes, Jennifer F.;Spencer, Rebecca M. C.
这项微观纵向研究的目的是探索幼儿日间运动行为（久坐时间和体力活动）与午睡睡眠之间的日常关联。在 298 名儿童（年龄 = 51.0 ± 9.6 个月，43.6% 为女性）中，基于手腕的体动记录仪（平均佩戴时间 = 10 天）评估了久坐时间、总身体活动，并提供了午睡持续时间和效率的估计。使用多级逻辑和线性回归模型来检查清醒行为和午睡睡眠之间的时间关系，并根据兴趣天数、年龄、性别和社会经济地位之间的夜间睡眠持续时间进行调整。运动行为与第二天小睡的可能性无关，但当儿童早上较少久坐（OR = 0.96；p < 0.001）或更活跃（OR = 1.01；p = 0.001）时，他们当天更有可能小睡。运动行为与午睡持续时间或效率无关。相反，在孩子们午睡的日子里，他们久坐的次数较少（B = -2.09，p < 0.001），而第二天则更加活跃（B = 25.8，p < 0.001）。尽管小睡和运动行为存在一些相互关系，但本研究中的效应规模很小。进一步的研究应该检查睡眠健康状况更加多样化和来自不同托儿环境的儿童。
The purpose of this micro-longitudinal study was to explore daily associations between daytime movement behaviors (sedentary time and physical activity) and nap sleep in young children. In 298 children (age = 51.0 ± 9.6 months, 43.6% female), wrist-based actigraphy (mean wear time = 10 days) assessed sedentary time, total physical activity, and provided an estimate of nap sleep duration and efficiency. Multilevel logistic and linear regression models were used to examine temporal within-person relations between wake behaviors and nap sleep, and adjusted for overnight sleep duration between days of interest, age, sex, and socioeconomic status. Movement behaviors were not related to the likelihood of next-day napping, but when children were less sedentary (OR = 0.96; p < 0.001) or more active (OR = 1.01; p = 0.001) in the morning, they were more likely to nap that same day. Movement behaviors were not associated with nap sleep duration or efficiency. Conversely, on days children napped, they were less sedentary (B = −2.09, p < 0.001) and more active (B = 25.8, p < 0.001) the following day. Though napping and movement behaviors had some reciprocal relations, effect sizes in the present study were small. Further studies should examine children with more diverse sleep health and from different childcare settings.
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