The influence of a permanent double-shift school start time on adolescent sleep and chronotype across different age groups.

The influence of a permanent double-shift school start time on adolescent sleep and chronotype across different age groups.
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永久两班制上学时间对不同年龄段青少年睡眠和生物钟的影响。

DOI:
10.1080/07420528.2023.2215343
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发表时间:
2023
影响因子:
2.8
通讯作者:
Duffy,JeanneF
Duffy,JeanneF
中科院分区:
医学4区
文献类型:
--
作者:
Arrona-Palacios,Arturo;Díaz-Morales,JuanF;Duffy,JeanneF

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这项研究的主要目的是探索在永久双班制学校就读的墨西哥青少年在不同年龄段的睡眠习惯和时型的差异。这项横断面研究包括来自公立小学、中学和高中的1,969名学生(1,084名女孩),以及来自墨西哥的本科生。年龄10~22岁[15.33 ± 3.28( ± SD)],早班988人,下午班981人。收集了关于通常自我报告的就寝时间和起床时间的问题,并据此评估了对卧床时间、睡眠中点、社会时差和时型的估计。与早班学生相比,下午班学生报告的起床时间、就寝时间、睡眠中点、在床上的时间更长,以及更少的社交时差。总体而言,下午班的学生报告的时型晚于早班的学生。下午班学生的迟到高峰在15岁,女生在14岁达到高峰,男生在15岁达到高峰。与此同时,早班学生报告的迟到高峰在20岁左右。在这项研究中,与参加固定早校上课时间的不同年龄段的青少年相比,来自不同年龄段的上学时间极晚的青少年报告睡眠充足。此外,这项研究中的分析似乎表明,较晚的时型高峰可能会受到学校开学时间的影响。
The main objective of this study was to explore the differences in sleep habits and chronotype across different age groups in Mexican adolescents attending a permanent double-shift school system. This cross-sectional study consisted of 1,969 (1,084 girls) students from public elementary, secondary, and high schools, as well as undergraduate university students from Mexico. Age range was 10–22 [15.33 ± 3.28 (mean ± SD)] years, 988 morning shift and 981 afternoon shift students. Questions regarding usual self-reported bedtime and rise time were collected, and from that, estimates for time in bed, midpoint of sleep, social jetlag, and chronotype were evaluated. Afternoon shift students reported later rise times, bedtimes, midpoint of sleep, and longer time in bed on school days than morning shift students, as well as less social jetlag. Overall, afternoon shift students reported a later chronotype than morning shift students. Peak lateness of chronotype in afternoon shift students was at age 15, with girls peaking at age 14 and boys at age 15. Meanwhile, morning shift students reported peak lateness of chronotype around age 20. In this study, adolescents from different age ranges attending an extremely delayed school start time reported adequate sleep compared with adolescents attending a fixed morning school start time. In addition, the analysis presented in this study seems to suggest that the peak of late chronotype may be influenced by school start times.
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