Nowadays, it seems excessive use of electronic media causes sleep disorders and low academic performance in adolescents. The present study was conducted aimed to investigate the use of cell phone and its relationship with sleep quality and academic performance of second More
Nowadays, it seems excessive use of electronic media causes sleep disorders and low academic performance in adolescents. The present study was conducted aimed to investigate the use of cell phone and its relationship with sleep quality and academic performance of second year high school students. This study was a correlation one. The statistical population was all second year high school students studying in 2015 in district one in Sari. The sample was selected 300 subjects using simple random sampling based on Krejcie and Morgan table. The research instrument includes cell phone application test, Pittsburgh Sleep Quality questionnaire and students' average (GPA). Data were analyzed using Pearson correlation test and independent t-test. The findings showed that a significant relationship was found between the use of cell phone, sleep quality and academic performance of students who have cell phones, in a way that by increasing the use of cell phone among students their sleep disorders are increased and academic performance is reduced.
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