From early birds to night owls: a longitudinal study of actigraphy-assessed sleep trajectories during the transition from pre- to early adolescence.

IF 5.3 2区 医学 Q1 CLINICAL NEUROLOGY
Sleep Pub Date : 2023-11-08 DOI:10.1093/sleep/zsad127
Anna-Francesca Boatswain-Jacques, Charlotte Dusablon, Catherine Cimon-Paquet, Élie YuTong Guo, Rosalie Ménard, Célia Matte-Gagné, Julie Carrier, Annie Bernier
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引用次数: 1

Abstract

Study objectives: Pre- and early adolescence are believed to constitute periods of important age-related changes in sleep. However, much of the research on these presumed developmental changes has used cross-sectional data or subjective measures of sleep, limiting the quality of the evidence. In addition, little is known about the development of certain features of the sleep-wake cycle pertaining to regularity (e.g. weekend-weekday differences and intra-individual variability) or circadian rhythms (e.g. sleep midpoint).

Methods: This study examined the sleep trajectories of 128 typically developing youth (69 girls) from ages 8 to 12 years on four sleep characteristics: sleep onset, sleep offset, total sleep time (TST), and sleep midpoint. For each of these characteristics, actigraphy-derived estimates of typical (i.e. mean) sleep and sleep regularity were obtained at each time point. Multilevel growth curves were modeled.

Results: Overall, the sleep-wake cycle significantly changed between 8 and 12 years. Mean sleep onset, offset and midpoint exhibited an ascending curvilinear growth pattern that shifted later with age, while mean TST decreased linearly. Weekend-weekday differences (social jetlag) for sleep offset and midpoint became more pronounced each year. Weekday TST was longer than weekend TST, though this difference became smaller over time. Finally, intra-individual variability increased over time for all sleep characteristics, with variability in TST ascending curvilinearly. Important between-person and sex differences were also observed.

Conclusion: This study reveals the marked changes that occur in the sleep of typically developing pre- and early adolescents. We discuss the potential implications of these trajectories.

从早起的鸟儿到夜猫子:在青春期前期到青春期早期过渡期间,对活动记录仪评估的睡眠轨迹的纵向研究。
研究目的:青春期前和青春期早期被认为是与年龄相关的重要睡眠变化时期。然而,许多关于这些假定的发育变化的研究都使用了横截面数据或主观的睡眠测量,限制了证据的质量。此外,人们对睡眠-觉醒周期的某些特征的发展知之甚少,这些特征与规律性(如周末-工作日的差异和个体内部的差异)或昼夜节律(如睡眠中点)有关。方法:本研究对128名8 - 12岁的正常发育青少年(69名女孩)的睡眠轨迹进行了四项睡眠特征的研究:睡眠开始、睡眠偏移、总睡眠时间和睡眠中点。对于这些特征中的每一个,在每个时间点获得典型(即平均)睡眠和睡眠规律的活动描记估计。建立了多层生长曲线模型。结果:总的来说,睡眠-觉醒周期在8到12岁之间发生了显著变化。平均睡眠时间、偏移量和中点随年龄的增长呈上升曲线型增长,随年龄的增长而延迟,而平均睡眠时间呈线性下降。睡眠偏移和中点的周末和工作日差异(社会时差)每年都变得更加明显。工作日的TST比周末的TST长,尽管随着时间的推移,这种差异变得越来越小。最后,所有睡眠特征的个体内部变异性都随着时间的推移而增加,TST变异性呈曲线上升。重要的人与人之间和性别差异也被观察到。结论:本研究揭示了典型发育前期和早期青少年睡眠发生的显著变化。我们将讨论这些轨迹的潜在含义。
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来源期刊
Sleep
Sleep 医学-临床神经学
CiteScore
10.10
自引率
10.70%
发文量
1134
审稿时长
3 months
期刊介绍: SLEEP® publishes findings from studies conducted at any level of analysis, including: Genes Molecules Cells Physiology Neural systems and circuits Behavior and cognition Self-report SLEEP® publishes articles that use a wide variety of scientific approaches and address a broad range of topics. These may include, but are not limited to: Basic and neuroscience studies of sleep and circadian mechanisms In vitro and animal models of sleep, circadian rhythms, and human disorders Pre-clinical human investigations, including the measurement and manipulation of sleep and circadian rhythms Studies in clinical or population samples. These may address factors influencing sleep and circadian rhythms (e.g., development and aging, and social and environmental influences) and relationships between sleep, circadian rhythms, health, and disease Clinical trials, epidemiology studies, implementation, and dissemination research.
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