Work and sleep quality in railway employees: an actigraphy study.

This actigraphy study tests whether daily work stressors (time pressure, social stressors), work resources (control, social support) and mental detachment from work predict sleep quality, when controlling for demands and control after work. Fifty-two railway employees participated during five consecutive workdays by completing diary questionnaires and wearing an actigraphy device. The results confirmed that social stressors from supervisors predicted more frequent sleep fragmentation and lower sleep efficiency the following night. Higher levels of daily time control at work predicted shorter sleep-onset latency and better self-reported sleep quality. Leisure time control as a covariate turned out to be a private resource, followed by fewer awakenings the following night. Detachment after work related negatively to social stressors and time pressure at work but was unrelated to indicators of sleep quality; detachment after work neither mediated nor moderated the relationship between social stressors from supervisors and sleep quality. Work redesign to increase time control and reduce social stressors is recommended to preserve daily recovery in railway employees. Practitioner summary: Sleep is important to renew health- and safety-related resources in railway employees. This diary and actigraphy study shows that higher daily work stressors were antecedents of lower sleep quality the following night, while more time control was followed by better sleep quality. Work redesign could promote health and safety by improving sleep quality.

SOS-Appreciation overboard! Illegitimacy and psychologists' job satisfaction.

In the globalized and rapidly evolving work environment, deficiencies in job design are a common reason that employees must sometimes complete tasks that are not directly connected to their occupational role. Individuals with a clear vision of their occupational role and duties in particular, such as psychologists, might consider such tasks as an offense to self. According to the "Stress-as-Offense-to-Self" (SOS) concept, so-called "illegitimate tasks" do not respect a person's occupational identity-threatening the self through disrespect. We investigated perceived appreciation as an underlying mechanism mediating between illegitimate tasks and reduced job satisfaction after one year through three studies conducted in two European countries. Using data from 50 psychologists who graduated from a German university, Study 1 revealed that perceived appreciation explained the relationship between illegitimate tasks and job satisfaction after one year. Studies 2 and 3 confirmed this finding using data from 67 and 183 Swiss employees working in fields of psychology. In particular, illegitimate tasks affected the perception of appreciation immediately and in the long term, which in turn affected the psychologists' job satisfaction (contagion model). Our results illustrate the importance of perceived appreciation as a mechanism that mediates between illegitimate tasks and job satisfaction of psychologists.