A Longitudinal Analysis of COVID-19 Lockdown Stringency on Sleep and Resting Heart Rate Measures across 20 Countries

Ong, Ju Lynn; Lau, Titus; Karsikas, Mari; Kinnunen, Hannu; Chee, Michael W.L.

doi:10.1101/2021.03.15.21253668

Cited by 1 publication

(2 citation statements)

References 59 publications

(69 reference statements)

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“…Children enrolled in this program, aimed at reducing childhood obesity, experienced a sudden and signi cant decrease in objectively-measured PA and sleep, that correlated in time with COVID-19 related school closures, and resolved when schools reopened. Speci cally, we found Others demonstrated delayed midsleep times and decreased midsleep variability with stricter lockdown measures in adults across multiple countries using Oura ring sleep tracker data [30]. Similar changes in PA and sleep patterns were expected in children and adolescents as public health guidelines were implemented and structured school activities were suspended in the US.Various studies in the pediatric population around the world use subjective data to point towards disruption of PA habits and sleep routines, such as reduced PA, increased sedentary times and screen exposure, during the pandemic.…”

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confidence: 60%

“…[ 29 ] Others demonstrated delayed midsleep times and decreased midsleep variability with stricter lockdown measures in adults across multiple countries using Oura ring sleep tracker data. [ 30 ] Similar changes in PA and sleep patterns were expected in children and adolescents as public health guidelines were implemented and structured school activities were suspended in the US.…”

Section: Discussionmentioning

confidence: 85%

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Physical activity and sleep changes among children with obesity during a period of school closures related to the COVID-19 pandemic

Dunn,

Singh,

Armstrong

et al. 2023

Preprint

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Daily routines, including in-person school and extracurricular activities, are important for maintaining healthy physical activity and sleep habits in children. The COVID-19 pandemic significantly disrupted daily routines as in-person school and activities closed to prevent spread of SARS-CoV-2. We aimed to examine and assess differences in objectively measured physical activity levels and sleep patterns from wearable sensors in children with obesity before, during, and after a period of school and extracurricular activity closures associated with the COVID-19 pandemic. We compared average step count and sleep patterns (using the Mann Whitney U Test) before and during the pandemic-associated school closures by using data from activity tracker wristbands (Garmin VivoFit 3). Data was collected from 94 children (aged 5-17) with obesity, who were enrolled in a randomized controlled trial testing a community-based lifestyle intervention for a duration of 12-months. During the period that in-person school and extracurricular activities were closed due to the COVID-19 pandemic, children with obesity experienced objectively-measured decreases in physical activity, and sleep duration. From March 15, 2020 to March 31, 2021, corresponding with local school closures, average daily step count decreased by 1,655 steps. Sleep onset and wake time were delayed by about an hour and 45 minutes, respectively, while sleep duration decreased by over 12 minutes as compared with the pre-closure period. Step counts increased with the resumption of in-person activities. These findings provide objective evidence for parents, clinicians, and public health professionals on the importance of in-person daily activities and routines on health behaviors, particularly for children with pre-existing obesity. We demonstrate the utility of wearable sensors in objectively measuring longitudinal physical activity and sleep behavior patterns in children with obesity and in quantifying changes in their health behaviors due to disruption of structured, daily routines following in-person school closures during the COVID-19 pandemic. Trial Registration: Clinical trial registration: NCT03339440.

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confidence: 60%

Section: Discussionmentioning

confidence: 85%