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Open AccessArticle

Insomnia in Relation to Academic Performance, Self-Reported Health, Physical Activity, and Substance Use Among Adolescents

1
Faculty of Health Sciences, Kristianstad University, SE-291 88 Kristianstad, Sweden
2
Clinical Health Promotion Centre, WHO-CC, Department of Health Sciences, Faculty of Medicine, Lund University, SE-221 85 Lund, Sweden
3
Department of Social and Psychological Studies, Karlstad University, SE-651 88 Karlstad, Sweden
4
Health-Promoting Complex Interventions, Department of Health Sciences, Lund University, SE-221 85 Lund, Sweden
*
Author to whom correspondence should be addressed.
Int. J. Environ. Res. Public Health 2020, 17(17), 6433; https://doi.org/10.3390/ijerph17176433
Received: 9 July 2020 / Revised: 26 August 2020 / Accepted: 2 September 2020 / Published: 3 September 2020
(This article belongs to the Special Issue Adolescent and Young People's Health Issues and Challenges)
Purpose: Insomnia affects up to one in four adolescents and has been shown to have a negative impact on their mental and physical health. This study aimed to investigate the association between insomnia, academic performance, self-reported health, physical activity, school start time, and substance use among adolescents. Methods: A survey with a cross-sectional design was completed by adolescents (15–17 years old; n = 1504) in southern Sweden. The Minimal Insomnia Symptoms Scale (MISS) was used to operationalize insomnia. A multiple logistic regression analysis was used to analyze the relationship between insomnia and self-reported health, failed school courses, substance use, school start time, family financial situation, screen time, and gender. Results: Insomnia (MISS ≥ 6) was associated with poor self-reported health (OR: 4.35), failed school courses (OR: 1.47), and use of alcohol and/or cigarettes (OR: 1.43). When the combined effect of self-reported health and physical activity were investigated, a combination of low physical activity (≤1 time/week) and poor self-reported health was strongly associated with insomnia (OR: 18.87). Conclusions: Insomnia was associated with other problems that in themselves are risk factors for poor health. This highlights the need for a holistic health-promoting approach to prevent insomnia, such as efforts to promote physical activity, school success, and the reduction of alcohol/cigarette use. View Full-Text
Keywords: adolescents; alcohol; cigarettes; insomnia; MISS; physical activity; self-reported health adolescents; alcohol; cigarettes; insomnia; MISS; physical activity; self-reported health
MDPI and ACS Style

Hedin, G.; Norell-Clarke, A.; Hagell, P.; Tønnesen, H.; Westergren, A.; Garmy, P. Insomnia in Relation to Academic Performance, Self-Reported Health, Physical Activity, and Substance Use Among Adolescents. Int. J. Environ. Res. Public Health 2020, 17, 6433.

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