Background: Today, occupational health of nurses in the health care system is important. This study aimed to investigate the relationship between death anxiety, sleep quality and job satisfaction of nurses working in Arak university of medical sciences hospitals in 2015.

Materials and Methods: The research method was descriptive, correlational and cross-sectional. The population included nurses in public hospitals affiliated with Arak university of medical sciences. The samples included 309 nurses that were simply and randomly selected. Data were collected with Herzberg job satisfaction, Pittsburgh sleep quality questionnaires and death anxiety scale. Data were analyzed using descriptive and inferential statistics.

Results: The results showed that the relationship between job satisfaction with sleep quality of nurses was significant, but there was not a significant relationship between job satisfaction and quality of sleep with death anxiety of nurses. In addition, there was a significant telationship between diffevent parts of hospitals in job satisfaction and death onxiety, although this difference was not significant in quality of sleep. Job satisfaction was the only factor that was significant in the group with the possibility of difficult working conditions.

Conclusion: According to the research findings, it seems that paying attention to sleep quality sleep is important to improve nurses satisfaction. Job satisfaction is also influenced by the hard conditions of work and requires more attention to a group of nurses who are working in such a situation. Also, a higher death anxiety than usual in nurses requires more study and reflection.