Night-time screen-based media device use and adolescents' sleep and health-related quality of life

Mireku, Michael O.; Barker, Mary M; Mutz, Julian; Dumontheil, Iroise; Thomas, Michael S. C.; Röösli, Martin; Elliott, Paul; Toledano, Mireille B.

doi:10.1016/j.envint.2018.11.069

Cited by 136 publications

(142 citation statements)

References 57 publications

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“…Our results also highlighted the importance of distinguishing between daytime and bedtime smartphone usage, as total sleeping time was negatively related to daytime usage but not related to bedtime usage. We found no association between smartphone usage, both daytime and bedtime, and sleeping e ciency, and these results did not agree with some previous ndings [31][32][33][34]. We believe that the effects of smartphone usage and sleep outcomes are still controversial (some other studies found a null association [35]) and warrant further investigations, especially through employing well-designed controlled trials.…”

Section: Discussioncontrasting

confidence: 87%

Objectively-Measured Smartphone Usage, Sleep Quality, and Physical Activity Among Chinese Adolescents and Young Adults

Lee

Tse

et al. 2020

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Objectives: We studied the association between objectively-measured smartphone usage and objectively-measured sleep quality and physical activity for seven consecutive days among Hong Kong adolescents and young adults aged 11–25 (n = 357, 67% female).Methods: We installed an app that tracked the subjects’ smartphone usage and had them wear an ActiGraph GT3X accelerometer on their wrist to measure their sleep quality and physical activity level. Smartphone usage data were successfully obtained from 187 participants (52.4%).Results: The participants on average spent 2 hours 46 minutes per day on their smartphone. Multilevel regression showed that, among secondary school students, one minute of daytime smartphone usage was associated with 0.12 minute decrease in total sleeping time that night (p = 0.042, 95% CI: -0.23, -0.007). One minute of bedtime smartphone usage was associated with 0.32 minute increase in wake after sleep onset that night (p = 0.04, 95% CI: 0.02, 0.62). One minute of smartphone usage during sleep was associated with sleep efficiency (β = 0.013%, p = 0.01, 95% CI: 0.003%, 0.023%) and WASO (β=-0.05, p = 0.04, 95% CI: -0.10, -0.005). One minute of daytime smartphone usage was associated with 7.15 steps increase in the number of steps (p = 0.02, 95% CI: 1.02, 13.28) among secondary school students and 3.52 steps increase in the number of steps (p = 0.03, 95% CI: 0.37, 6.66) among university students on the next day.Conclusion: Time spent on smartphone was associated with total sleeping time, the number of steps, and MVPA among Hong Kong adolescents and young adults.

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Section: Discussioncontrasting

confidence: 87%

Objectively-Measured Smartphone Usage, Sleep Quality, and Physical Activity Among Chinese Adolescents and Young Adults

Lee

Tse

et al. 2020

Preprint

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“…Specifically, presence of electronic devices in the bedroom was reported to be associated with increased likelihood of prolongation of sleep latency, shortening of sleep duration, abnormal catch-up sleep and worse health related quality of life among adolescents (6,18,19,31).…”

Section: Discussionmentioning

confidence: 99%

“…Authors also noted the consistency for adverse sleep outcomes related to access to media devices on weekdays and weekends (18), while an increase in magnitude of the adverse impact has been suggested with use of screenbased media devices in the dark owing to potential role of disrupted circadian rhythms and diminished melatonin secretion (18,32).…”

Section: Discussionmentioning

confidence: 99%

“…Indeed, given the rising access to and use of screenbased media devices, increased awareness of parents, teachers, health professionals and adolescents about the associated adverse sleep outcomes is considered crucial (2,18,19). Accordingly, training and intervention studies targeting sleep hygiene promotion in this group are recommended to improve sleep patterns, cognitive function and educational attainment (2,18,19). In fact, a recent pilot cluster-randomized study has addressed the impact of brief school-based psycho-educative intervention on increase in sleep duration by decreasing electronic media use at night and caffeine consumption in adolescents (33).…”

Section: Discussionmentioning

confidence: 99%

“…such as depression, anxiety and suicidal tendencies and substance abuse (2,(13)(14)(15)(16)(17)(18).…”

mentioning

confidence: 99%

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Sleep is an essential component of mental and physical development in children and adolescents (1-4). However, insufficient sleep and disturbed sleep patterns are common in the pediatric age, with a rising prevalence throughout adolescence (2,5-7). Adolescence is considered a period with considerable alterations in sleep pattern in terms of amount and quality (7-10) in relation to physiological, environmental, social and behavioral changes specific to this life period (10-12). The trend of insufficient and deteriorating sleep and poor sleep hygiene among adolescents is considered a public health concern given the short and long term detrimental health outcomes including poor diet; sedative behavior; obesity; reduced immunity; stunted growth; cognitive impairment, poor academic performance and mental health problems

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Night-time screen-based media device use and adolescents' sleep and health-related quality of life

Cited by 136 publications

References 57 publications

Objectively-Measured Smartphone Usage, Sleep Quality, and Physical Activity Among Chinese Adolescents and Young Adults

Objectively-Measured Smartphone Usage, Sleep Quality, and Physical Activity Among Chinese Adolescents and Young Adults

Sleep Quality in Adolescents in Relation to Age and Sleep-related Habitual and Environmental Factors

Overview of the Comorbidity Between Medical Illnesses and Overweight/Obesity

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