The transition of sleep-wake patterns in early adolescence
The transition of sleep-wake patterns in early adolescence
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DOI：
10.1093/sleep/26.4.449
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发表时间：
2003-06-15
期刊：
影响因子：
5.6
通讯作者：
Soong, WT
中科院分区：
文献类型：
--
作者：
Gau, SF;Soong, WT
研究目的：研究目的：探讨学校年级与青少年早期睡眠时相偏好的关系。设计：以学校为基础，以睡眠习惯问卷为研究工具，以多阶段抽样方法，抽取台北市三所国中、三所国小四年级至八年级学生共1572名为研究对象。响应率为98.4%（1547）的参与者和95.9%（1509）为他们的parents.Interventions：NA测量和结果：每个学生参与者完成了睡眠习惯问卷，包括睡眠时间表，Morningness/Eveningness（M/E）规模，青春期发育量表，嗜睡量表。上午组（N = 367）和晚上组（N = 364）分别被定义为具有M/E得分的前25%和后25%的参与者，在数据分析中使用混合模型来解决校本研究中出现的集群效应。我们发现，M/E分数下降，晚上类型的比例增加，从4年级到8年级。夜间类型与夜间睡眠减少，晚就寝时间和上升时间，以及增加白天嗜睡和补偿睡眠周末，结论：我们的研究结果支持这一假设，即学校年级水平是显着相关的过渡到夜间类型在青春期早期。我们报告说，环境因素可能发挥更重要的作用比生物因素，如年龄，性别和青春期发育，在从早晨型到晚上型在青春期早期的过渡。未来的纵向研究是必要的，以确定青少年的睡眠-觉醒模式的轨迹及其预测因素。
Study Objective: To examine the relationship between school grade level and sleep-phase preference in early adolescence.Design: A school-based cross-sectional study using a Sleep Habit Questionnaire.Setting: NAParticipants: One thousand five hundred and seventy-two students, grade 4 to grade 8, from 3 junior high schools and 3 elementary schools in Taipei were recruited using multistage sampling method. The response rates were 98.4% (1547) for participants and 95.9% (1509) for their parents.Interventions: NAMeasurements and Results: Each student participant completed a Sleep Habit Questionnaire, including sleep schedules, the Morningness/Eveningness (M/E) scale, the Pubertal Developmental Scale, and the Sleepiness Scale. The morning (N = 367) and evening (N = 364) groups were operationally defined as participants with the top 25% and the bottom 25% of the M/E score, respectively, A mixed model was used in data analysis to address the cluster effects arising from the school-based study. We found that the M/E score decreased and the proportion of the evening type increased across grade 4 to grade 8. The evening type was associated with decreased nocturnal sleep and later bedtimes and rise times, as well as with increased daytime sleepiness and compensation for sleep on weekends,Conclusions: Our findings support the hypothesis that school grade level is significantly associated with the transition to evening type in early adolescence. We report that environmental factors may play a more important role than biologic factors, such as age, sex, and pubertal development, in the transition from morning type to evening type at early adolescence. Future longitudinal study is necessary to determine the trajectories of sleep-wake patterns in adolescents and their predictors.