青少年时期的日常家庭压力与下丘脑-垂体-肾上腺（HPA）轴功能：睡眠的调节作用
Daily family stress and HPA axis functioning during adolescence: The moderating role of sleep.
作者信息
Chiang Jessica J, Tsai Kim M, Park Heejung, Bower Julienne E, Almeida David M, Dahl Ronald E, Irwin Michael R, Seeman Teresa E, Fuligni Andrew J
机构信息
University of California, Los Angeles, Department of Psychology, Los Angeles, CA 90095, USA.
California State San Marcos, Department of Psychology, San Marcos, CA 92096, USA.
出版信息
Psychoneuroendocrinology. 2016 Sep;71:43-53. doi: 10.1016/j.psyneuen.2016.05.009. Epub 2016 May 9.
The present study examined the moderating role of sleep in the association between family demands and conflict and hypothalamic-pituitary-adrenal (HPA) axis functioning in a sample of ethnically diverse adolescents (n=316). Adolescents completed daily diary reports of family demands and conflict for 15 days, and wore actigraph watches during the first 8 nights to assess sleep. Participants also provided five saliva samples for 3 consecutive days to assess diurnal cortisol rhythms. Regression analyses indicated that sleep latency and efficiency moderated the link between family demands and the cortisol awakening response. Specifically, family demands were related to a smaller cortisol awakening response only among adolescents with longer sleep latency and lower sleep efficiency. These results suggest that certain aspects of HPA axis functioning may be sensitive to family demands primarily in the context of longer sleep latency and lower sleep efficiency.
本研究在一个种族多样化的青少年样本（n = 316）中，考察了睡眠在家庭需求与冲突和下丘脑-垂体-肾上腺（HPA）轴功能之间关联中的调节作用。青少年连续15天完成关于家庭需求和冲突的每日日记报告，并在前8个晚上佩戴活动记录仪手表以评估睡眠情况。参与者还连续3天提供5份唾液样本，以评估昼夜皮质醇节律。回归分析表明，睡眠潜伏期和效率调节了家庭需求与皮质醇觉醒反应之间的联系。具体而言，只有在睡眠潜伏期较长且睡眠效率较低的青少年中，家庭需求才与较小的皮质醇觉醒反应相关。这些结果表明，HPA轴功能的某些方面可能主要在睡眠潜伏期较长和睡眠效率较低的情况下，对家庭需求敏感。
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