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Sleep estimates in children: parental versus actigraphic assessments

Authors Dayyat, Spruyt, Molfese, Gozal D

Published 28 October 2011 Volume 2011:3 Pages 115—123

DOI https://doi.org/10.2147/NSS.S25676

Review by Single-blind

Peer reviewer comments 4


Ehab A Dayyat1,*, Karen Spruyt1,*, Dennis L Molfese2, David Gozal1
1
Section of Sleep Medicine, Department of Pediatrics, Pritzker School of Medicine, The University of Chicago, Chicago, IL; 2Center for Brain, Biology and Behavior, Department of Psychology, University of Nebraska-Lincoln, Lincoln, NE, USA
*These authors contributed equally to this work

Background: In the context of increasing awareness about the need for assessment of sleep duration in community and clinical settings, the use of questionnaire-based tools may be fraught with reporter bias. Conversely, actigraphy provides objective assessments of sleep patterns. In this study, we aimed to determine the potential discrepancies between parentally-based sleep logs and concurrent actigraphic recordings in children over a one-week period.
Methods: We studied 327 children aged 3–10 years, and included otherwise healthy, nonsnoring children from the community who were reported by their parents to be nonsnorers and had normal polysomnography, habitually-snoring children from the community who completed the same protocol, and children with primary insomnia referred to the sleep clinic for evaluation in the absence of any known psychiatric illness. Actigraphy and parental sleep log were concomitantly recorded during one week.
Results: Sleep logs displayed an average error in sleep onset after bedtime of about 30 minutes (P < 0.01) and of a few minutes before risetime in all groups. Furthermore, subjective parental reports were associated with an overestimated misperception of increased sleep duration of roughly one hour per night independent of group (P < 0.001).
Conclusion: The description of a child's sleep by the parent appears appropriate as far as symptoms are concerned, but does not result in a correct estimate of sleep onset or duration. We advocate combined parental and actigraphic assessments in the evaluation of sleep complaints, particularly to rule out misperceptions and potentially to aid treatment. Actigraphy provides a more reliable tool than parental reports for assessing sleep in healthy children and in children with sleep problems.

Keywords: actigraphy, insomnia, sleep logs, snoring, sleep duration

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