Indiana University.
Eastern Michigan University.
Child Dev. 2019 Sep;90(5):1718-1737. doi: 10.1111/cdev.13042. Epub 2018 Feb 27.
Despite a robust literature examining the association between sleep problems and cognitive abilities in childhood, little is known about this association in toddlerhood, a period of rapid cognitive development. The present study examined the association between various sleep problems, using actigraphy, and performance on a standardized test of cognitive abilities, longitudinally across three ages (30, 36, and 42 months) in a large sample of toddlers (N = 493). Results revealed a between-subject effect in which the children who had more delayed sleep schedules on average also showed poorer cognitive abilities on average but did not support a within-subjects effect. Results also showed that delayed sleep explains part of the association between family socioeconomic context and child cognitive abilities.
尽管有大量文献研究了儿童期睡眠问题与认知能力之间的关系，但对于这一关系在幼儿期（认知快速发展的时期）知之甚少。本研究使用活动记录仪，在三个年龄段（30、36 和 42 个月）上，对大量幼儿的各种睡眠问题与认知能力的标准化测试表现进行了纵向研究。结果显示存在主体间效应，即平均而言，睡眠时间表延迟的儿童认知能力也较差，但不支持主体内效应。结果还表明，睡眠延迟解释了家庭社会经济背景与儿童认知能力之间关联的一部分。
