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Psychosocial work stressors in the development and maintenance of insomnia: a prospective study.

This study is aimed at examining whether psychosocial work stressors are related to the development and maintenance of insomnia. A prospective design was used with a baseline and a 1-year follow-up questionnaire (N = 1,530). The results showed that among individuals with no insomnia at baseline, high work demands increased the risk of developing insomnia 1 year later. Among participants with insomnia at baseline, high leader support decreased the risk of still reporting insomnia at follow-up. Finally, low influence over decisions and high work demands were related to the maintenance of insomnia. The results indicate that perceived work stressors are related to the development and maintenance of insomnia. This might have implications for how insomnia is conceptualized as it places work stressors in the model and for how interventions at different stages of insomnia are implemented.