The Effects of Poor Sleep on Cognitive, Affective, and Physiological Responses to a Laboratory Stressor |
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Authors: | Paula G. Williams Ph.D Matthew R. Cribbet M.S. Holly K. Rau M.S. Heather E. Gunn Ph.D Laura A. Czajkowski Ph.D |
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Affiliation: | 1. Department of Psychology, University of Utah, Salt Lake City, UT, 84112, USA 2. Department of Psychiatry, University of Utah, Salt Lake City, UT, 84108, USA
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Abstract: | Background Recent research suggests that poor sleep may be associated with altered stress regulation. Purpose This study aims to examine the associations between prior-night and prior-month sleep measures and affective, cognitive, and physiological responses to a laboratory stressor. Methods Ninety-eight (50 % female) young adults completed measures of sleep quality in the context of a laboratory stress study. Measures included positive (PA) and negative affects (NA) and blood pressure (BP) reactivity, as well as change in pre-sleep arousal. Results Prior-month poor sleep quality and sleep disturbances predicted dampened BP reactivity. Both prior-night and prior-month sleep quality predicted greater decrease in PA. Sleep-associated monitoring predicted NA reactivity and prolonged cognitive and affective activation. Prior-month sleep continuity predicted greater cognitive pre-sleep arousal change, and prior-month sleep quality, daytime dysfunction, and disturbances predicted prolonged cognitive and affective activation. Conclusion Findings suggest that inadequate sleep confers vulnerability to poor cognitive, affective, and physiological responses to stress. |
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