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Child Neuropsychology
A Journal on Normal and Abnormal Development in Childhood and Adolescence
Volume 30, 2024 - Issue 4
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Research Article

Early childhood sleep quantity, but not caregiver-reported sleep problems, predicts impulse control in children at age 8 years

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Pages 602-614 | Received 12 Mar 2023, Accepted 08 Aug 2023, Published online: 24 Aug 2023
 

ABSTRACT

Short duration of sleep and poor sleep quality have been linked to poor attention and impulse control in children. We aimed to determine the longitudinal predictive value of sleep quantity and quality during early childhood on objective and caregiver-report measures of attention, impulse control, and executive function in children at age 8 years. We used data from the Health Outcomes and Measures of the Environment (HOME) Study, a pregnancy and birth cohort. Caregivers reported on their child’s sleep at ages 2, 2.5, 3, 4, and 5 years. Analysis included 410 participants. We used longitudinal growth curve models of early childhood sleep patterns to predict neurobehavioral functioning at age 8 years. Sleep problems did not predict any of our outcome measures at age 8 years. Sleep duration trended shorter as children matured, so predictive models examined both intercept and slope. Children with the least decline in sleep duration across early childhood had fewer impulsive errors at age 8 years on a continuous performance test (unadjusted p = .013; adjusted p = .013). Children with shorter duration of sleep across early childhood had worse caregiver-reported behavioral regulation at age 8 years (unadjusted p = .002; adjusted p = .043). Neither sleep duration slope nor intercept predicted inattention or metacognitive skills at age 8 years (p > .05). Total sleep time across early childhood predicts behavior regulation difficulties in school-aged children. Inadequate sleep during early childhood may be a marker for, or contribute to, poor development of a child’s self-regulatory skills.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Supplementary material

Supplemental data for this article can be accessed at https://doi.org/10.1080/09297049.2023.2247602.

Additional information

Funding

The work was supported by the National Institute of Environmental Health Sciences [R01 ES027224]; National Institute of Environmental Health Sciences [P01 ES011261]; National Institute of Environmental Health Sciences [R01 ES025214]; National Institute of Environmental Health Sciences [R01 ES014575]; National Institute of Environmental Health Sciences [R01 ES032836].

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