Workplace bullying, sleep problems and leisure-time physical activity: a prospective cohort study

Workplace bullying, sleep problems and leisure-time physical activity: a prospective cohort study

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OBJECTIVES: Workplace bullying is a potent stressor that may increase sleep problems.Since physical fitness improves resilience to stress, it seems plausible that recreational physical activities may moderate the association between bullying and sleep.The study Wrestling - Protective aimed to examine prospectively whether (i) bullying increases the risk of sleep problems, and (ii) the association between bullying and sleep problems is moderated by leisure-time physical activity (LTPA).

METHODS: The study sample comprised a cohort of public and private sector employees, who were enrolled into the Work Bullying and Harassment (WBH) cohort (N=3278) or the Psychosocial Risk Factors for Stress and Mental Disease (PRISME) cohort (N=4455).We measured workplace bullying using one question that was preceded by a definition of bullying.We used the Karolinska sleep CHLOROPHYLL LIQUIDE questionnaire to assess sleep problems.

The number of hours per week spent on LTPA estimated the degree of physical activity.RESULTS: Workplace bullying at baseline (T1) was associated with awakening problems and lack of restful sleep at follow-up (T2) but not with overall sleep problems and disturbed sleep.T1-LTPA did not moderate the association between T1-workplace bullying and T2-sleep problems.

CONCLUSION: We found support that workplace bullying is related to development of T2-sleep problems, but this association seems not to be modified by LTPA.