Department of Psychology, University of Bologna, Bologna, Italy.
Chronobiol Int. 2011 Jul;28(6):536-40. doi: 10.3109/07420528.2011.590261.
The aim of the present study was to explore the relationship between season of birth and sleep-timing preferences in adolescence. To this end, the Morningness-Eveningness Questionnaire for Children and Adolescents (MEQ-CA) was administered to 1912 adolescents (1058 females and 854 males), ranging in age between 10 and 17 yrs. To assess preferred sleep habits, the authors considered the answers to the open-ended questions of the MEQ-CA (items 1 and 2), regarding the preferred arising time and the preferred going to bed time. Combining the answers to these two questions, the authors also indirectly computed the preferred sleep duration and preferred midpoint of sleep. Season of birth did not significantly modulate the overall MEQ-CA score; however, spring-born participants preferred to go to bed and reached the preferred midpoint of sleep later than those born in autumn. Agreeing with a previous study on young adults, the present data point to a significant season-of-birth effect on the two parameters of the sleep-timing preferences in adolescents.
本研究旨在探讨青少年的出生季节与睡眠时相偏好之间的关系。为此，对 1912 名年龄在 10 至 17 岁之间的青少年（女性 1058 名，男性 854 名）进行了儿童青少年 Morningness-Eveningness 问卷（MEQ-CA）的评估。为了评估偏好的睡眠习惯，作者考虑了 MEQ-CA 的开放式问题（项目 1 和 2）的答案，这些问题涉及首选起床时间和首选就寝时间。通过对这两个问题的答案进行组合，作者还间接地计算了偏好的睡眠持续时间和偏好的睡眠中点。出生季节并没有显著调节 MEQ-CA 的总分；然而，春天出生的参与者比秋天出生的参与者更倾向于晚睡和达到偏好的睡眠中点。与之前关于年轻人的研究一致，本研究数据表明，出生季节对青少年睡眠时相偏好的两个参数有显著的影响。
