Bargaining and trust: The effects of 36-h total sleep deprivation on socially interactive decisions. The online version contains supplementary material available at 10.1007/s42766-4.Ĭlose relationships Cortisol Couple conflict Emotions Positive affect.Īnderson C, Dickinson DL. These findings provide initial evidence for a causal negative impact of sleep deprivation on couples' conflicts. Multilevel analyses revealed higher cortisol levels during conflict and less positive affect prior to and after the conflict for sleep-deprived couples compared to couples in the control condition.
We collected pre- and post-conflict measures of cortisol, self-reports of feelings, and satisfaction with the conflictual discussion. After the experimental night, all participants discussed a topic of recurrent conflict for 15 min. Therefore, 30 couples were randomly assigned to either a single night of total sleep deprivation or a night of normal sleep to test the effects of sleep deprivation on couples' conflict. 7 Clinical Psychology and Behavioral Neuroscience, Faculty of Psychology, Technische Universität Dresden, 01187 Dresden, Germany.Īlthough poor sleep has been found to correlate with deteriorations in romantic relationships, its causal impact on interpersonal conflict has not previously been studied.6 Emotion and Memory Laboratory, Department of Psychology, University of Geneva, 1205 Geneva, Switzerland.5 Center for the Interdisciplinary Study of Gerontology and Vulnerability, University of Geneva, 1205 Geneva, Switzerland.4 Unité de Psychologie Clinique des Relations Interpersonnelles, Department of Psychology, University of Geneva, Geneva, 1205 Switzerland.3 Laboratory for Neurology and Imaging of Cognition, Department of Neurosciences, University of Geneva, Campus Biotech, 1202 Geneva, Switzerland.2 Laboratory for the study of Emotion Elicitation and Expression (E3 Lab), Department of Psychology, University of Geneva, Geneva, 1205 Switzerland.1 Swiss Center for Affective Sciences, University of Geneva, Campus Biotech, 1202 Geneva, Switzerland.
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