Razi Journal of Medical Sciences

Background: Given the prevalence of sleep disorders among patients with heart disease and importance of recognizing determinants of it, the purpose of this study was to determine the status of sleep self-efficacy and perceived social support in patients with poor sleep quality after coronary bypass surgery in 2013.

Methods: This is a cross-sectional study. First, 100 patients whit poor sleep quality referred to the cardiac rehabilitation clinic of Tehran Heart Center were selected through simple sampling method and completed questionnaires of sleep self-efficacy and interpersonal support evaluation list–short form. Data were analyzed by the SPSS and one way-ANOVA, independent samples t test and Pearson correlation coefficient.

Results: The results indicated that sleep self-efficacy of patients for performing various sleep health promoting behaviors was low. For example, only 37% of patients were confident to themselves ability for turning out negative thoughts after lying in bed. Some 34% of them were confident that not allow a poor night's sleep interfere with daily activities. About 27% of them stated that awake after a poor night's sleep without feeling upset about it. The result also showed that acquired tangible assets support domain of patients was low. Other domains of social support were satisfactory. There was a significant relation between perceived social support and sleep self-efficacy (p=0.004, r= 0. 28). Conclusion: In developing interventions for increasing sleep quality of patients may be increase their sleep self-efficacy to performing sleep health promoting behaviors.