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Parent-Report Sleep Disturbances and Everyday Executive Functioning Difficulties in Children with Tourette Syndrome

Lisa Keenan1, Jessica Bramham1, Michelle Downes1

  • 1School of Psychology, University College Dublin, Dublin, Ireland.

Developmental Neuropsychology
|January 15, 2024
PubMed

Insights

Most children with Tourette syndrome (TS) experience sleep disorders. This study found that higher tic severity correlated with worse sleep and executive function, suggesting a link between sleep and tics.

Area of Science:

  • Neuroscience
  • Pediatrics
  • Sleep Medicine

Background:

  • Tourette syndrome (TS) is a neurodevelopmental disorder.
  • Sleep disturbances are common in children with TS.
  • Tics and executive functioning are key features of TS.

Purpose of the Study:

  • To investigate sleep patterns in children with Tourette syndrome.
  • To explore the relationship between tic severity, sleep disturbances, and executive functioning in TS.
  • To understand the bidirectional link between sleep and tics in TS.

Main Methods:

  • Utilized parent-report scales and open-ended questions.
  • Included 136 children with TS and 101 neurotypical controls.
  • Assessed sleep, tics, and executive functioning.

Main Results:

  • 85% of children with TS exhibited clinical sleep disorder ranges.
  • Increased tic severity was associated with greater sleep disturbances.
  • Higher tic severity also predicted executive functioning difficulties.
  • Qualitative data suggested a bidirectional relationship between sleep and tics.

Conclusions:

  • Sleep disturbances are highly prevalent in children with Tourette syndrome.
  • Tic severity is a significant predictor of sleep and executive function issues in TS.
  • The bidirectional link between sleep and tics necessitates clinical attention.
  • Further research is required to elucidate causal mechanisms.

Keywords:
Tourette syndromeexecutive functionmixed methodssleep

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