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Comparison of actigraphy with polysomnography and sleep logs in depressed insomniacs
Summary Actigraphy is increasingly used in the assessment and treatment of various clinical conditions, being a convenient and cost‐effective method of capturing bodily movements over long periods of time. This study examined the use of actigraphy in the measurement of sleep of patients with depress...
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Published in: | Journal of sleep research 2012-02, Vol.21 (1), p.122-127 |
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Main Authors: | , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | Summary
Actigraphy is increasingly used in the assessment and treatment of various clinical conditions, being a convenient and cost‐effective method of capturing bodily movements over long periods of time. This study examined the use of actigraphy in the measurement of sleep of patients with depression and insomnia. Fifty‐four patients diagnosed with a current major depressive episode and chronic insomnia underwent a baseline overnight study with concurrent actigraphic and polysomnography (PSG) monitoring, as well as subjective sleep diaries. Agreement between PSG, actigraphy and sleep diary measurements was evaluated using two‐tailed t‐tests, Pearson’s correlations and the Bland–Altman concordance technique. The only significant difference found between actigraphy and PSG was in latency to persistent sleep, in which actigraphy underestimated sleep latency relative to PSG (P |
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ISSN: | 0962-1105 1365-2869 |
DOI: | 10.1111/j.1365-2869.2011.00917.x |