Divergent concurrent and lagged effects of the reciprocal relation between work-nonwork interactions and sleep
Lynn Germeys1, Constanze Leineweber2
1Work and Organisation Studies (WOS), KU Leuven, Leuven, Belgium, Naamsestraat, Leuven, Belgium.
Study Objectives:
Work-nonwork interactions and sleep disturbances are found to be important predictors of well-being and job performance outcomes. However, little is known about the mutual interrelations of the interactions between life domains and disturbed sleep over short and long periods of time.
Methods:
In total, 4079 representative individuals of the Swedish working population completed three subsequent waves of surveys with a time interval of 2 years (i.e. longitudinal design).
Results:
Concurrent, cross-lagged, and reverse directionality effects were simultaneously examined using autoregressive longitudinal path analysis. Contemporarily, interference between work and nonwork increased sleep disturbances, whereas work-nonwork enhancement decreased sleep disturbances. From one time point to the other, work-nonwork interference negatively related to sleep disturbances, and work-nonwork enhancement was mostly no longer (or positively) related to sleep disturbances. Over time sleep disturbances, in turn, predicted more interference and less enhancement between both life domains.
Conclusions:
The results highlight that problematic work-nonwork interactions (i.e. high work-nonwork interference and low work-nonwork enhancement) disturb an individual's sleep in the short term (i.e. cross-sectional). Furthermore, the results suggest that individuals adapt to negative work-nonwork interactions over time, but that sleep disturbances impair an individual's work-nonwork interactions 2 years later.
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