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Sleep Disord. 2015;2015:758937. doi: 10.1155/2015/758937. Epub 2015 Dec 15.

Validation of Capturing Sleep Diary Data via a Wrist-Worn Device.

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University at Buffalo School of Nursing, University at Buffalo, South Campus, 202 Beck Hall, 3435 Main Street, Buffalo, NY 14214, USA.
SUNY Upstate Medical University, Syracuse, NY 13210, USA.


Paper sleep diaries are the gold standard for assessment of sleep continuity variables in clinical practice as well as research. Unfortunately, paper diaries can be filled out weekly instead of daily, lost, illegible or destroyed; and are considered out of date according to the newer technology savvy generations. In this study, we assessed the reliability and validity of using a wrist-worn electronic sleep diary.


A prospective design was used to compare capturing 14 days of sleep continuity data via paper to a wrist-worn electronic device that also captured actigraphy data.


Thirty-five healthy community dwelling adults with mean (sd) age of 36 (15), 80% Caucasians, and 74% females were enrolled. All sleep continuity variables via electronic and paper diary capture methods were significantly correlated with moderate, positive relationships. Assessment of validity revealed that electronic data capture had a significant relationship with objective measure of sleep continuity variables as measured by actigraphy. Paper diary variables were not significantly associated with objective measures.


The use of a wrist-worn device to capture daily sleep diary data is as accurate as and for some variables more accurate than using paper diaries.

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