Association between sleep quality and internet addiction in high school students
Background: Internet addiction and poor sleep quality are two types of common mental health disorders among high school students. This study was conducted to determine the prevalence of poor sleep quality and its association with internet addiction in high school students.
Methods: A cross-sectional study was conducted on 820 high school students in Dong Hoa town, Phu Yen province in April 2021. The students were requested to fill out a structured questionnaire. internet addiction was evaluated by the short version Internet Addiction Test (s-IAT). The Pittsburgh Sleep Quality Index (PSQI) was used to assess sleep quality.
Results: The prevalence of poor sleep quality was 33.5% among high school students. The proportion of students with internet addiction evaluated by the s-IAT was 21%. The association between internet addiction and poor sleep quality remained statistically significant with p<0,001 (OR=2.98, 95% CI: 2.05-4.34) after adjusting for potential confounding variables.
Conclusion: The proportions of internet addiction and poor sleep quality were high and there was an association between them. Students should not use the internet after 9 pm and should spend at least 8 hours each night on sleep.