Longitudinal correlates of sleep duration in young children

Zhang, Zhiguang; Adamo, Kristi B.; Ogden, Nancy; Goldfield, Gary S.; Okely, Anthony D.; Kuzik, Nicholas; Crozier, Mitchell; Hunter, Stephen; Predy, Madison; Carson, Valerie

doi:10.1016/j.sleep.2020.12.023

Cited by 21 publications

(16 citation statements)

References 34 publications

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“…In YC group, parents’ remote working and presence of courtyard positively influenced the sleep, while worsened relation between parents was negatively associated with sleep problems. Overall, our data confirm the correlations between family relations, time spent for screen time and sleep [ 14 , 15 ].…”

Section: Discussionsupporting

confidence: 84%

Distance learning, technological devices, lifestyle and behavior of children and their family during the COVID-19 lockdown in Lombardy: a survey

et al. 2021

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Background The COVID-19 pandemic and the subsequent national lockdowns, school closures and distance learning may have had both negative and positive effects on physical and mental health of children. Methods A cross-sectional study was conducted on a large group of children between 1 and 10 years old in Lombardy, Italy (n = 3392). Their parents filled in a survey answering single or multiple-choice questions about their offspring’s behavior changes (including sleep, dietary habits, emotional disturbances), relationship with siblings, parents and peers, the use of digital technologies, and distance learning experience during the lockdown. Results Parents reported lifestyles and emotional alterations during the lockdown. The modifications of family relationships, parents’ remote working, and screen time were associated with sleep, emotional and behavioral modifications. Distance learning was overall considered adequate. Conclusions This study reported the most updated data on the effects of COVID-19 pandemic lockdown on children between 1 and 10 years of age in a large sample of Italian schoolchildren. The results of this study point out that pediatricians and authorities should support relationships within families during the COVID-19 pandemic. Parents’ remote working might play an important role for this purpose.

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Section: Discussionsupporting

confidence: 84%

Distance learning, technological devices, lifestyle and behavior of children and their family during the COVID-19 lockdown in Lombardy: a survey

et al. 2021

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“…These results are in line with observations made in studies on toddlers, preschoolers and adolescents. 9,15,16,20,26,27 Our analyses only weakly support an indirect effect of electronic media use on sleep quality mediated through sleep duration or midpoint of sleep. If we accept the speculation of considering the midpoint of sleep of free days as a chronotype proxy, we may infer that media use affects sleep quality, sleep quantity, and chronotype, while the latter two are strongly related to each other.…”

Section: Discussioncontrasting

confidence: 61%

“…11,12 So far, existing evidence regarding the investigation into child sleep health is mostly of cross-sectional nature, while prospective studies with adequate sample size are scarce. [13][14][15][16][17][18][19][20] Moreover, media use has been shown to impact sleep duration and may thus also shift the midpoint of sleep. 21 However, we are unaware of any study investigating whether these effects drive subsequent impairment of sleep quality in preschoolers.…”

Section: Introductionmentioning

confidence: 99%

The Associations Between Media Use, Midpoint of Sleep, and Sleep Quality in German Preschoolers: A Mediation Analysis Based on the Ulm SPATZ Health Study

Ricci

Poulain

Rothenbacher

et al. 2021

NSS

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Introduction:The relation of electronic media use with sleep quality among preschoolers is a matter of ongoing debate. Longitudinal data are scarce and do not account for sleeping schedules. Methods: We used the German Children's Sleep Habits Questionnaire to measure parentreported child's sleep quality; its score is computed by the sum of 34 items defined by a 1-3 level Likert scale (score ranging 34-102), with higher values representing lower sleep quality. A causal mediation analysis of these relations using data from the Ulm SPATZ Health Study in Germany was conducted. Repeated data on electronic media use, book reading, sleep quality, sleep duration, and midpoint of sleep were prospectively collected yearly from ages 4 to 6 years (n=563) during parent's working days and free days. Results: We observed negative correlations of sleep quality with sleep duration and midpoint of sleep at ages 4-5 (R=−0.21 to −0.10), which attenuated with age 6 years. Sleep duration and midpoint of sleep were strongly positively correlated at all ages (R=0.55-0.95). We observed significant negative associations between total electronic media use and TV/DVD watching, while book reading did neither affect the sleep quality score nor sleep duration or midpoint of sleep. We found little evidence for an indirect negative effect of media use on sleep quality via sleep duration or midpoint of sleep, indicating that media use acts independently on sleep duration, midpoint of sleep, and sleep quality. Non-statistically significant associations of sleep duration and midpoint of sleep on sleep quality indicate that these are independent aspects of sleep adequacy. Evidence for this was stronger during free days. Conclusion: Media use acted on sleep quality through a direct effect in a prospective fashion. Thus, we conclude that electronic media use increases the risk for sleep impairments in German preschoolers, while book reading seems to be a safe and healthy alternative.

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“…( 2 , 17 ). In addition, the lifestyle of children is another external influencing factors for insufficient sleep, such as pre-sleep TV watching and bedtime delay ( 18 ). Less TV watching time and a regular and earlier bedtime can help children get adequate sleep and improve their sleep quality ( 19 ).…”

Section: Introductionmentioning

confidence: 99%

The Prevalence of Insufficient Sleep and Bedtime Delay Among Kindergarten Children Aged 3 to 6 Years in a Rural Area of Shanghai: A Cross-Sectional Study

et al. 2021

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Introduction: Sleep deprivation in children is a global public health problem that affects the physical and mental development of children. Bedtime delay induced by longer screen time and heavy study load is a common cause of sleep deprivation in children. However, the prevalence of insufficient sleep and bedtime delay and related influencing factors among kindergarten children is limited in Shanghai, China.Methods: In 2018, we selected 8,586 children aged 3 to 6 years and their parents in Songjiang District, Shanghai. Data was collected among parents by face-to-face questionnaire interview with signed informed consent. We defined insufficient sleep as those who slept for < 10 h in children aged 3–5 years or 9 h in children aged 6 years within 24 h, and we define bedtime delay as children with bedtime after 21:00. SAS 9.1.3 software was used to calculate the prevalence of bedtime delay and insufficient sleep, and logistic regression was used to explore potential influencing factors.Results: The prevalence of insufficient sleep and bedtime delay among children aged 3 to 6 years was 11.67 and 56.85%, respectively. The prevalence of insufficient sleep among boys was slightly higher than among girls [odds ratio (OR) = 1.18, 95% confidence interval (CI): 1.04–1.35]. With the increase of the age of children, the prevalence of insufficient sleep increased gradually (P < 0.05). The prevalence of insufficient sleep was higher among the only child in the family (OR = 1.18, 95% CI: 1.02–1.36) and those with longer hours of TV watching (OR = 109, 95% CI: 1.02–1.16). Meanwhile, the prevalence of bedtime delay was also higher among the only child in the family (OR = 1.17, 95% CI: 1.06–1.79), among those with parents accompanying for sleep (OR = 1.21, 95% CI: 1.10-1.34), and those with longer TV watching time (OR = 1.13, 95% CI: 1.07–1.18).Conclusions: Insufficient sleep and bedtime delay were prevalent in Chinese children aged 3 to 6 years, especially in boys and older children. TV watching as well as parents accompanying for sleep were associated with insufficient sleep and bedtime delay. We recommend that parents should limit the screen time of children, advocate earlier bedtime and later morning wake-up among children, as well as make their children sleep in separate beds or rooms in younger age.

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Longitudinal correlates of sleep duration in young children

Cited by 21 publications

References 34 publications

Distance learning, technological devices, lifestyle and behavior of children and their family during the COVID-19 lockdown in Lombardy: a survey

Distance learning, technological devices, lifestyle and behavior of children and their family during the COVID-19 lockdown in Lombardy: a survey

The Associations Between Media Use, Midpoint of Sleep, and Sleep Quality in German Preschoolers: A Mediation Analysis Based on the Ulm SPATZ Health Study

The Prevalence of Insufficient Sleep and Bedtime Delay Among Kindergarten Children Aged 3 to 6 Years in a Rural Area of Shanghai: A Cross-Sectional Study

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