Screen time and sleep among school-aged children and adolescents: a systematic literature review.
Screen time and sleep among school-aged children and adolescents: a systematic literature review.
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DOI：
10.1016/j.smrv.2014.07.007
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发表时间：
2015-06
影响因子：
10.5
通讯作者：
Guan, Stanford
中科院分区：
文献类型：
--
作者：
Hale, Lauren;Guan, Stanford
关键词：
我们系统地检查并更新了关于屏幕时间（如电视、电脑、视频游戏和移动设备）与学龄儿童和青少年睡眠结果之间关系的科学文献。我们回顾了1999年至2014年初发表的67项研究。我们发现，在90%的研究中，屏幕时间与睡眠结果呈负相关（主要是持续时间缩短和睡眠时间延迟）。一些结果因屏幕暴露类型、参与者的年龄、性别和一周中的哪一天而有所不同。虽然关于屏幕时间和睡眠之间的关联的证据是一致的，但我们讨论了当前研究的局限性：1)因果关系尚未得到证实；2)测量误差（屏幕时间暴露和睡眠测量）；3)同时使用多个屏幕的数据有限，所使用屏幕的特征和内容。应建议青少年限制或减少屏幕时间，特别是睡前或睡前，以尽量减少屏幕时间对睡眠和健康的任何有害影响。未来的研究应该更好地解释现有研究的方法局限性，并寻求更好地理解这种关联的程度和机制。这些步骤将有助于制定和实施与青少年屏幕时间有关的政策或干预措施。
We systematically examined and updated the scientific literature on the association between screen time (e.g., television, computers, video games, and mobile devices) and sleep outcomes among school-aged children and adolescents. We reviewed 67 studies published from 1999 to early 2014. We found that screen time is adversely associated with sleep outcomes (primarily shortened duration and delayed timing) in 90% of studies. Some of the results varied by type of screen exposure, age of participant, gender, and day of the week. While the evidence regarding the association between screen time and sleep is consistent, we discuss limitations of the current studies: 1.) causal association not confirmed; 2.) measurement error (of both screen time exposure and sleep measures); 3.) limited data on simultaneous use of multiple screens, characteristics and content of screens used. Youth should be advised to limit or reduce screen time exposure, especially before or during bedtime hours to minimize any harmful effects of screen time on sleep and well-being. Future research should better account for the methodological limitations of the extant studies, and seek to better understand the magnitude and mechanisms of the association. These steps will help the development and implementation of policies or interventions related to screen time among youth.
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