The effect of smartphone addiction on sleep quality and lifestyle behaviors of adolescents

The study was conducted to evaluate the effect of smartphone addiction on sleep quality and lifestyle behaviors of adolescents. The research was carried out in public high schools affiliated to Gümüşhane Province Kelkit District National Education Directorate during the months of December 2020 and February 2021. The population of the research consisted of 1293 students studying in the 9th, 10th, 11th and 12th grades of 6 public high schools in Kelkit District of Gümüşhane Province. The sample consisted of 546 high school students. Data was collected online with Google forms. "Smartphone Addiction Scale-Short Form", "Pittsburg Sleep Quality Index", "Adolescent Lifestyle Profile Scale" and "Adolescent Descriptive Characteristics Form" created by the researchers in line with the literature were used to collect data. Data were used Mann-Whitney U Test, Kruskal Wallis-H Test, Chi-Square Test of Independence. Correlation analysis was performed to determine the strength and direction of the relationship between the two variables. In the study, it was found that 29.6% of female adolescents and 22.0% of male adolescents had smartphone addiction and there was a significant difference between them (p=0.047). Adolescents with poor academic achievement were found to have higher phone addiction (p<0.001). Adolescents who used smartphones for four hours or more in a day had a significantly higher smartphone addiction than other groups (p<0.001). It was determined that the PUKI scale score differed according to age group, father's education level and class (p<0.05). Adolescents with very good academic achievement scores on the AYBÖ scale were found to be higher (p<0.001). It was determined that there was a positive relationship between smartphone addiction and sleep quality scale, a negative relationship between phone addiction and adolescent lifestyle, and a negative relationship between sleep quality and adolescent lifestyle. In the study, it was seen that smartphone addiction is an important health problem in adolescents and negatively affects the sleep quality and lifestyle behaviors of adolescents. In this direction, suggestions were developed for the controlled use of smartphones, early intervention for sleep disorders and prevention of negative lifestyles. Keywords: Adolescent, Smartphone, Addiction, Nursing, Sleep, Lifestyle