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Work stressors and impaired sleep: rumination as a mediator.

Authors
  • Berset, Martial1
  • Elfering, Achim
  • Lüthy, Stefan
  • Lüthi, Simon
  • Semmer, Norbert K
  • 1 Department of Psychology, University of Bern, Bern, Switzerland. [email protected] , (Switzerland)
Type
Published Article
Journal
Stress and health : journal of the International Society for the Investigation of Stress
Publication Date
Apr 01, 2011
Volume
27
Issue
2
Identifiers
PMID: 27486625
Source
Medline
Language
English
License
Unknown

Abstract

An association between stress at work and impaired sleep is theoretically plausible and supported by empirical evidence. The current study's main aim was to investigate how the influence of stressors is carried over into the evening and the night. We assume that this relationship is mediated by perseverative cognitions. We tested this assumption in two cross-sectional samples with structural equation modeling, using bootstrapped standard errors to test for significance. Effort–reward imbalance and time pressure were used as stressors, and rumination as a measure for perseverative cognitions. Results show that the stressors are related to perseverative cognitions, and these are related to impaired sleep in both samples. Indirect effects are significant in both samples. With rumination controlled, direct effects of stressors on sleep are only significant in one out of four cases. Thus, there is full mediation in three out of four cases, and partial mediation in the fourth one. Our results underscore the notion that perseverative cognitions are crucial for transferring negative effects of work stressors into private life, including sleep, thus hindering individuals to successfully recover.

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