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The Relationship Between Caffeine, Sleep, and Behavior in Children.

Emily J Watson1, Siobhan Banks1, Alison M Coates2

  • 1Centre for Sleep Research, School of Psychology, University of South Australia, Adelaide, South Australia, Australia.

Journal of Clinical Sleep Medicine : JCSM : Official Publication of the American Academy of Sleep Medicine
|February 7, 2017
PubMed
Summary

Caffeine from coffee, tea, and sodas impacts sleep and behavior in children aged 8-12. Disrupted sleep mediates the link between caffeine intake and internalizing behaviors.

Keywords:
behaviorcaffeineinternalizing behaviorsmorning tirednesspath analysisrestless sleepschool-aged childrensleepsleep routine

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Area of Science:

  • Pediatric Nutrition
  • Child Psychology
  • Sleep Science

Background:

  • Caffeine consumption is prevalent in children, with potential impacts on sleep and behavior.
  • Understanding sources and effects is crucial for public health guidelines.

Purpose of the Study:

  • To investigate caffeine intake from various sources in Australian children aged 8-12 years.
  • To explore the relationship between caffeine consumption, sleep patterns, and daytime behavior.

Main Methods:

  • A cohort of 309 children (8-12 years) and their parents completed questionnaires.
  • Data collected included caffeine intake, demographics, sleep habits, and behavioral assessments.

Main Results:

  • Coffee, tea, and sodas were primary caffeine sources (41% and 40% respectively).
  • Caffeine consumption correlated with poorer sleep routines, morning tiredness, and internalizing behaviors.
  • Path analysis revealed caffeine intake positively associated with morning tiredness, which in turn linked to internalizing behaviors, with sleep disruption as a mediator.

Conclusions:

  • Coffee, tea, and sodas are significant caffeine sources for children aged 8-12.
  • Even moderate caffeine intake affects children's sleep and behavior.
  • Caffeine contributes to sleep problems, which subsequently influence behavioral issues in children.