Heart failure is one of the most common cardiovascular disorders. In this disease heart is disable to perfusion

Heart failure is one of the most common cardiovascular disorders. In this disease heart is disable to perfusion، insufficient perfusion lead to many symptoms in this patients. Each of these symptoms in some patients is deprived from the suitable sleep. Sleep is a vital and effective element in the health and quality of life in these patients. The purpose of this study is to assess of relationship between sleep quality and quality of life in patients with chronic heart failure. In this cross-correlation study، 200 patients with chronic heart failure in two teaching university hospital of Tehran university of medical sciences was selected using sampling with proportional allocation. Data were collected using from demographic questioner، Pittsburgh sleep quality index and Kansas City Cardiomyopathy Questionnaire and then were analyzed using the SPSS software and statistical tests. Sleep quality، with some aspects of health related quality of life including physical limitations (P<0. 000)، symptoms (P<0. 001)، social functioning (P<0. 000)، quality of life، (P<0. 011) as well as general health related quality of life (P<0. 000) has a significant relationship. Considering that sleep quality are associated with health-related quality of life. Community health care providers especially nurses had to more than before attention to sleep quality in these patients.