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Normative values for sleep parameters in pre-schoolers using actigraphy

Lassi Sahlberg1, Helena Lapinleimu2, Marko Elovainio3

  • 1Department of Pediatrics and Adolescent Medicine, Turku University Hospital, Turku, Finland; Department of Pediatrics, University of Turku, Turku, Finland; Department of Clinical Neurophysiology, Turku University Hospital and University of Turku, Turku, Finland.

Clinical Neurophysiology : Official Journal of the International Federation of Clinical Neurophysiology
|July 21, 2018
PubMed

Insights

This study establishes the first reference values for actigraphy-measured sleep in preschool children. These new sleep parameters help in evaluating sleep disorders in young children.

Area of Science:

  • Pediatric Sleep Medicine
  • Biomedical Engineering
  • Chronobiology

Background:

  • Actigraphy is a valuable tool for assessing sleep in children.
  • Established reference values for sleep parameters in preschool children are lacking.
  • Normative data is crucial for accurate clinical evaluation of sleep disorders.

Purpose of the Study:

  • To establish standardized reference values for actigraphy-measured sleep in preschool children.
  • To identify age-related trends in sleep patterns within this age group.
  • To provide a normative basis for evaluating pediatric sleep.

Main Methods:

  • Ninety-seven children aged 2-6 years participated in a 7-day actigraphy monitoring study.
  • Sleep parameters including total sleep time, sleep latency, and fragmentation were calculated.
  • Reference intervals were determined using the 2.5th and 97.5th percentiles for different age groups.

Main Results:

  • Reference intervals for 24-hour total sleep time ranged from 7h 23min to 9h 47min.
  • Sleep efficiency ranged from 69-87%, and fragmentation index from 23-53%.
  • Increasing age was associated with decreased daily sleep time, sleep latency, fragmentation, and napping.

Conclusions:

  • Previously unavailable reference values for actigraphy-assessed sleep in preschool children were successfully created.
  • Age-related trends in sleep patterns were identified.
  • These normative data facilitate the evaluation of sleep disorders in young children.
Abstract

Keywords:
ActigraphyAgeChildrenReference valuesSleep

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