Modeling of mindfulness and quality of sleep by the mediation of psychological well-being in high school students

Given that insomnia has an effect on the mental health of students, the present study aimed to develop a constructing model of mindfulness and quality of sleep by the mediation of psychological well-being. The study is descriptive/correlational and uses structural equation modeling. The population consisted of high school students in Delfan city during 2013-2014. For this purpose, 241 students were selected by using a multi-stage cluster sampling. To collect the data, we used 5-dimensional Mindfulness Questionnaire, Psychological Well-being Questionnaire, and Pittsburgh Sleep Quality Index. The data were analyzed by Amos using path analysis. The results showed that the model had a good fit after a series of modifications. Further, they revealed the mindfulness effect on psychological well-being and the effect of psychological well-being on quality of sleep. Moreover, psychological well-being was the mediator between mindfulness and quality of sleep. This study is an important step toward understanding the important factors affecting sleep quality and developing research on modeling.