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Anticipated next-day demand affects the magnitude of the cortisol awakening response, but not subjective or objective sleep.
J Sleep Res. 2018 02; 27(1):47-55.JS

Abstract

Whilst the association between sleep and stress is well established, few studies have examined the effects of an anticipated stressor upon sleep and relevant physiological markers. The aim of the present study was to examine whether an anticipated stressor in the form of next-day demand affects subjective and objective sleep, and multiple indices of the cortisol awakening response. Subjective and objective sleep and the cortisol awakening response were measured over three consecutive nights in 40 healthy adults in a sleep laboratory. During their second night, participants were informed that they would either be required to complete a series of demanding cognitive tasks, in a competition format, during the next day (anticipation condition; n = 22), or were given no instruction (sedentary condition; n = 18). Sleep was measured subjectively using sleep diaries, objectively using polysomnography, and saliva was measured at awakening, +15, +30, +45 and +60 min each morning, from which cortisol awakening response measurement indices were derived: awakening cortisol levels, the mean increase in cortisol levels and total cortisol secretion. There were no between-group differences in subjective or objective sleep in the night preceding the anticipated demand; however, compared with the sedentary condition, those in the anticipation group displayed a larger mean increase in cortisol levels, representing the cortisol awakening response magnitude, on the morning of the anticipated demand. Overall, the results suggest that whilst anticipated stress affected the subsequent cortisol awakening response, subjective and objective sleep remained undisturbed. It is possible that the timing of an anticipated stressor, rather than its expected duration, may influence subsequent sleep disruption.

Authors+Show Affiliations

Institute of Neuroscience, Newcastle University, Newcastle upon Tyne, UK.Nuffield Department of Clinical Neurosciences, Sleep and Circadian Neuroscience Institute, University of Oxford, Oxford, UK.Northumbria Sleep Research Laboratory, Northumbria University, Newcastle upon Tyne, UK.Northumbria Sleep Research Laboratory, Northumbria University, Newcastle upon Tyne, UK.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

28568907

Citation

Elder, Greg J., et al. "Anticipated Next-day Demand Affects the Magnitude of the Cortisol Awakening Response, but Not Subjective or Objective Sleep." Journal of Sleep Research, vol. 27, no. 1, 2018, pp. 47-55.
Elder GJ, Barclay NL, Wetherell MA, et al. Anticipated next-day demand affects the magnitude of the cortisol awakening response, but not subjective or objective sleep. J Sleep Res. 2018;27(1):47-55.
Elder, G. J., Barclay, N. L., Wetherell, M. A., & Ellis, J. G. (2018). Anticipated next-day demand affects the magnitude of the cortisol awakening response, but not subjective or objective sleep. Journal of Sleep Research, 27(1), 47-55. https://doi.org/10.1111/jsr.12569
Elder GJ, et al. Anticipated Next-day Demand Affects the Magnitude of the Cortisol Awakening Response, but Not Subjective or Objective Sleep. J Sleep Res. 2018;27(1):47-55. PubMed PMID: 28568907.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Anticipated next-day demand affects the magnitude of the cortisol awakening response, but not subjective or objective sleep. AU - Elder,Greg J, AU - Barclay,Nicola L, AU - Wetherell,Mark A, AU - Ellis,Jason G, Y1 - 2017/06/01/ PY - 2017/04/25/accepted PY - 2017/03/06/received PY - 2017/6/2/pubmed PY - 2019/10/8/medline PY - 2017/6/2/entrez KW - anticipation KW - cortisol KW - polysomnography KW - stress SP - 47 EP - 55 JF - Journal of sleep research JO - J Sleep Res VL - 27 IS - 1 N2 - Whilst the association between sleep and stress is well established, few studies have examined the effects of an anticipated stressor upon sleep and relevant physiological markers. The aim of the present study was to examine whether an anticipated stressor in the form of next-day demand affects subjective and objective sleep, and multiple indices of the cortisol awakening response. Subjective and objective sleep and the cortisol awakening response were measured over three consecutive nights in 40 healthy adults in a sleep laboratory. During their second night, participants were informed that they would either be required to complete a series of demanding cognitive tasks, in a competition format, during the next day (anticipation condition; n = 22), or were given no instruction (sedentary condition; n = 18). Sleep was measured subjectively using sleep diaries, objectively using polysomnography, and saliva was measured at awakening, +15, +30, +45 and +60 min each morning, from which cortisol awakening response measurement indices were derived: awakening cortisol levels, the mean increase in cortisol levels and total cortisol secretion. There were no between-group differences in subjective or objective sleep in the night preceding the anticipated demand; however, compared with the sedentary condition, those in the anticipation group displayed a larger mean increase in cortisol levels, representing the cortisol awakening response magnitude, on the morning of the anticipated demand. Overall, the results suggest that whilst anticipated stress affected the subsequent cortisol awakening response, subjective and objective sleep remained undisturbed. It is possible that the timing of an anticipated stressor, rather than its expected duration, may influence subsequent sleep disruption. SN - 1365-2869 UR - https://www.unboundmedicine.com/medline/citation/28568907/Anticipated_next_day_demand_affects_the_magnitude_of_the_cortisol_awakening_response_but_not_subjective_or_objective_sleep_ L2 - https://doi.org/10.1111/jsr.12569 DB - PRIME DP - Unbound Medicine ER -