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The Relationship Between Sleep and Cognition in Children Referred for Neuropsychological Evaluation: A Latent

Adrian Svingos1, Sarah Greif2, Brittany Bailey3

  • 1Department of Clinical & Health Psychology, University of Florida, Gainesville, FL 32610, USA. adrianmchambers@phhp.ufl.edu.

Children (Basel, Switzerland)
|March 3, 2018
PubMed

Insights

Children with cognitive disorders often have sleep problems, but this study found no significant link between various sleep issues and cognitive function in youth. Sleep fragmentation was common, but didn't worsen cognitive performance in this diverse group.

Area of Science:

  • Pediatric Neuropsychology
  • Sleep Medicine
  • Cognitive Neuroscience

Background:

  • Children with cognitive disorders frequently experience sleep disturbances.
  • Previous research has focused on specific diagnoses and limited sleep/cognitive measures.
  • Understanding the broad impact of sleep problems on cognition in youth is crucial.

Purpose of the Study:

  • To characterize sleep problems in a diverse group of children undergoing neuropsychological assessment.
  • To examine the relationship between multiple sleep parameters and cognitive functioning.
  • To provide a framework for future research on sleep and cognition.

Main Methods:

  • Recruited a large, heterogeneous sample of youth (N=103, ages 6-16) referred for neuropsychological assessment.
  • Assessed a wide range of sleep-related problems (e.g., sleep fragmentation, daytime sleepiness).
  • Utilized structural equation modeling to analyze the link between sleep problems and cognitive performance (e.g., executive function, memory).

Main Results:

  • Sleep fragmentation was the most prevalent sleep issue in the sample.
  • A negative association between overall sleep-related problems and cognitive functioning was observed.
  • This association did not reach statistical significance (β = -0.084, p = 0.629).

Conclusions:

  • While sleep fragmentation is common in youth with cognitive conditions, it did not significantly impair cognitive function in this study.
  • The findings suggest a complex, non-significant relationship between sleep disturbances and cognitive performance in this population.
  • The employed statistical approach offers a viable model for future investigations into these interconnected constructs.

Keywords:
clinicalcognitiveneuropsychologypediatricsleepstructural equation modeling

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