Journal
PSYCHONEUROENDOCRINOLOGY
Volume 71, Issue -, Pages 43-53Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.psyneuen.2016.05.009
Keywords
Demands; Conflict; Cortisol; Sleep latency; Sleep efficiency; Adolescents
Categories
Funding
- Eunice Kennedy Shriver National Institute of Child Health and Human Development [R01-HD062547]
- National Science Foundation Graduate Research Fellowship Program [DGE-1144087]
- UCLA California Center for Population Research
- National Institute of Child Health and Human Development [R24-HD041022]
- UCLA Older Americans Independence Center
- National Institute of Aging [P30-AG028748]
- UCLA CTSI [UL1TR000124]
- Cousins Center for Psychoneuroimmunology
- [R01-AG034588]
- [R01-AG026364]
- [R01-CA160245-01]
- [R01-CA119159]
- [R01-HL095799]
- [R01-DA032922-01]
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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. (C) 2016 Elsevier Ltd. All rights reserved.
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