Evaluating Sleeping and Waking States of Infants: Consistency of Actigraph and Observational Data


The objective was to evaluate sleeping and waking states of infants <6 months old. The design of study was comparing video-recorded and actigraphic data. Participants were thirteen healthy 3- to 5-month-old infants. At their homes, subjects wore an ankle actigraph for 1 h and were videotaped simultaneously. We performed per-minute analysis of video data using the method for observing newborns developed by Brazelton. Video and actigraphic data were compared each minute. The total concordance rate was 93.5%. Sleep/wake identification by actigraphy and visual observation correspond closely for infants.

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Ikeda, R. and Fukai, K. (2015) Evaluating Sleeping and Waking States of Infants: Consistency of Actigraph and Observational Data. Creative Education, 6, 536-539. doi: 10.4236/ce.2015.65053.

Conflicts of Interest

The authors declare no conflicts of interest.


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