Teen Weekend Sleep: Circadian Timing, Performance, Mood

描述（由申请人提供）：本申请的主要目的是研究高中学生在周末恢复睡眠行为背景下的昼夜节律时间和白天功能。学校晚上和周末晚上睡眠时间的巨大差异与白天功能差有关（例如，学习成绩差和情绪低落）。本研究的第一个目的是研究可能导致这种关联的昼夜节律因素。在周末调整睡眠模式以保持稳定的昼夜节律可能会减弱白天的功能衰退。因此，本研究的第二个目的是测试一种稳定昼夜节律系统的替代性周末睡眠时间表。拟议的研究采用受试者内部平衡设计，两种条件的不同仅在于以下强制的周末睡眠/唤醒时间表：通常观察到的晚起时间时间表和稳定的夜间睡眠和午睡的替代时间表。在每个周末之前和之后进行昼夜节律阶段、主观嗜睡、认知吞吐量、情绪和警惕性评估。这项研究可能会进一步了解白天功能不佳的风险因素，并将评估可能减轻青少年这些下降的睡眠行为。

DESCRIPTION (provided by applicant): The broad aim of this application is to examine circadian timing and daytime function in high school students in the context of weekend recovery sleep behavior. Large disparity between school night and weekend night sleep timing is associated with poor daytime function (e.g., poor academic grades and depressed mood). The first aim of this study is to examine circadian factors that may contribute to this association. Modifying sleep patterns on the weekend to maintain stable circadian timing may attenuate daytime function decrements. Thus, the second aim of this study is to test an alternative weekend sleep schedule that stabilizes the circadian system. The proposed study uses a within subjects counterbalanced design with two conditions that differ only by the following enforced weekend sleep/wake schedules: the commonly observed, late rise time schedule and an alternative schedule with stable nocturnal sleep and an afternoon nap. Circadian phase, subjective sleepiness, cognitive throughput, mood, and vigilance assessments precede and follow each weekend condition. This study may further the understanding of risk factors for poor daytime function and will evaluate sleep behaviors that may attenuate these decrements in teens.