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Journal of Pediatric Psychology Advance Access originally published online on October 23, 2007
Journal of Pediatric Psychology 2008 33(6):666-672; doi:10.1093/jpepsy/jsm102
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© The Author 2007. Published by Oxford University Press on behalf of the Society of Pediatric Psychology. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org

Sleep and Napping Patterns in 3-to-5-year old Children Attending Full-Day Childcare Centers

Teresa M. Ward, RN PhD1, Caryl Gay, PhD2, Thomas F. Anders, MD3, Abbey Alkon, RN PhD2 and Kathryn A. Lee, RN PhD2

1Biobehavioral Nursing and Health Systems, University of Washington, 2Department of Family Health Care Nursing, University of California, and 3School of Medicine, M.I.N.D. Institute, University of California

All correspondence concerning this article should be addressed to Teresa M. Ward, RN, PhD, Post Doctoral Fellow, BOX 357266, Biobehavioral Nursing & Health Systems, University of Washington, Seattle, WA 98195-7266, USA. E-mail: teward{at}u.washington.edu


  Abstract

Objective To describe daytime naps and nighttime sleep–wake patterns in children attending full-day childcare centers. Methods A descriptive cross-sectional study of sleep and daytime nap patterns in 52 healthy children 3–5 years of age. Sleep and nap data were obtained over 3 days and nights (Tuesday, Wednesday, and Thursday) with continuous ankle actigraphy recording on children attending two university-affiliated childcare centers. Results Children averaged about 10 hr (610 min ± 38 SD) of total sleep in 24 hr, as estimated by actigraphy. For the 41 children who napped, average nap duration was 75.8 min (±20 SD). Nocturnal sleep was less for children who napped (9.0 hr ± 0.71 SD) compared to those who did not nap (9.8 hr ± 0.53 SD). Conclusions Findings indicate that the majority of 3-to-5-year-old children nap when given an opportunity. Preschool children's sleep and napping patterns on weekends and in other types of childcare environments warrant further research to assess health effects and impact on growth and development.

Key words: actigraphy; childcare; naps; preschool children; sleep.

Received December 11, 2006; revision received September 12, 2007; accepted September 30, 2007


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