Prediction of Sleep Quality Based on Body Mass Index with the Mediating Role of Depression in Karaj Students

The purpuse of this study was to quality of sleep is based on body mass index with the mediation role of depression in university students.

The applied research method and its implementation method, descriptive (non-experimental) and research design was correlation. The statistical population of this study was female students of Islamic Azad University of Karaj who were in the second semester of the academic year 1398-1397. Among them, 304 subjects who entered the research were selected by non-random sampling method. Data were collected through pittsburgh sleep quality index (1989) and Beck depression inventory-II (1996).

To analyze the hypotheses and data analysis, multiple regression. The results of the study showed that sleep quality based on body mass index headaches has a direct effect on the role of mediation of depression in students. Body mass index has direct effect on sleep quality and depression affects the quality of sleep.

It can therefore be argued that BMI with the role of mediation of depression can predict the quality of sleep in students.