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Article Abstract
Study Objectives: The lifestyles change of children and adolescents during the COVID-19 pandemic due to antipandemic measures can affect their sleep health. Existing studies have used convenient samples and focused on the initial months of the pandemic, leaving a knowledge gap on changes in young people's sleep patterns under the "new normal" under COVID-19.
Methods: As part of a territory-wide epidemiological study in Hong Kong, this cross-sectional study recruited primary and secondary school students by stratified random sampling. Sleep parameters were collected using the structured diagnostic interview for sleep patterns and disorders. We investigated the pandemic's effects on sleep parameters by comparing data of participants recruited pre-COVID and those recruited during COVID using multivariate regression, adjusting for age, sex, household income, seasonality, and presence of mental disorders, and the moderators and mediators of the effects.
Results: Between September 1, 2019 and June 2, 2021, 791 primary and 442 secondary school students were recruited and analyzed. Primary school and secondary school participants assessed before COVID had a longer sleep latency on school days (95% confidence interval [CI] = 1.0-5.2 minutes, adjusted value = .010; and 95% CI= 3.9-13.0 minutes, adjusted value = .004, respectively) and nonschool days (95% CI = 1.7-7.2 minutes, adjusted value = .005; 95% CI = 3.4-13.7 minutes, adjusted value = .014, respectively). Low household income was a moderator for later bedtime (adjusted value = .032) and later sleep onset (adjusted value = .043) during nonschool days among secondary school students.
Conclusions: Changes associated with COVID have a widespread and enduring effect on the sleep health of school-aged students in Hong Kong. Household income plays a role in adolescent sleep health resilience, and the impact of antiepidemic measures on the health gaps of the youth should be considered.
Citation: Chau SWH, Hussain S, Chan SSM, et al. A comparison of sleep-wake patterns among school-age children and adolescents in Hong Kong before and during the COVID-19 pandemic. . 2023;19(4):749-757.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10071375 | PMC |
| http://dx.doi.org/10.5664/jcsm.10422 | DOI Listing |
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