4.6 Article

Screen exposure exacerbates ADHD symptoms indirectly through increased sleep disturbance

Journal

SLEEP MEDICINE
Volume 83, Issue -, Pages 241-247

Publisher

ELSEVIER
DOI: 10.1016/j.sleep.2021.03.010

Keywords

Screen time; Sleep disorders; Children; Attention-deficit/hyperactivity disorder (ADHD)

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This study aimed to investigate the detrimental effects of evening screen exposure on school-aged children, particularly screens in the bedroom. The results showed that evening TV exposure was associated with sleep disturbance and ADHD symptoms, supporting the recommendation to avoid placing screens in children's bedrooms.
Objectives: The aim of this study was twofold. First, to confirm the deleterious aspect of evening screen exposure in school-aged children, in particular the effect of screens in the bedroom. Second, to explore the three-way association between degree of screen exposure, sleep disturbance, and ADHD symptoms. Solid evidence exists on the link between sleep disturbance and ADHD symptoms, and screen exposure and sleep disturbance. However, no studies have formally assessed the impact of screen exposure on ADHD symptoms in children, as a function of sleep disturbance. Methods: Parents of 374 French children (201 girls, 173 boys, mean age of 10.8 +/- 2.8 years old) completed the Sleep Disturbance Scale for Children (SDSC), the Attention-Deficit/Hyperactivity Disorder (ADHD) Rating Scale, and a questionnaire about their children's screen habits (total hours in the morning, afternoon, and evening per day). Correlational analyses between evening screen exposure, sleep quality and behavioral problems were conducted. Then, formal mediation analyses were run in order to quantify the relationship between variables. Results: School-aged children with screens in their bedrooms demonstrated more sleep and behavioral problems. Evening TV exposure was associated with higher SDSC and ADHD scores. Furthermore, the Structural Equation Modelling approach confirmed that evening screen exposure is directly associated with more disrupted sleep, which in turn is directly associated with behavioral problems. Conclusions: These findings encourage families to avoid putting screens in their children's bedrooms, and limit evening screen exposure. They furthermore demonstrate the importance of taking into account screen exposure time (morning, afternoon, evening) and location (bedroom or elsewhere) in future studies. (C) 2021 Elsevier B.V. All rights reserved.

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