Journal article
Assessing sleep using hip and wrist actigraphy
Sleep and biological rhythms, Vol.13(2), pp.172-180
2015
Abstract
Wrist actigraphy is commonly used to measure sleep, and hip actigraphy is commonly used to measure activity. It is unclear whether hip-based actigraphy can be used to measure sleep. This study assessed the validity of wrist actigraphy and hip actigraphy compared to polysomnography (PSG) for the measurement of sleep. 108 healthy young adults (22.7 ± 0.2 years) wore hip and wrist GTX3+ Actigraph during overnight PSG. Measurements of total sleep time (TST), sleep efficiency (SE), sleep onset latency (SOL) and wake after sleep onset (WASO) were derived and compared between wrist actigraphy, hip actigraphy and PSG. Sensitivity, specificity and accuracy of wrist actigraphy and hip actigraphy for each variable were derived from epoch-by-epoch comparison to PSG. Compared to PSG: TST and SE were similar by wrist actigraphy but overestimated by hip actigraphy (both by 14%); SOL was underestimated by wrist actigraphy and hip actigraphy (by 39 and 80%, respectively); WASO was overestimated by wrist actigraphy and underestimated by hip actigraphy (by 34 and 65%, respectively). Compared to PSG the sensitivity, specificity and accuracy of wrist actigraphy were 90, 46 and 84%, respectively; and of hip actigraphy were 99, 14 and 86%, respectively. This study showed that using existing algorithms, a GTX3+ Actigraph worn on the hip does not provide valid or accurate measures of sleep, mainly due to poor wake detection. Relative to the hip, a wrist worn GTX3+ Actigraph provided more valid measures of sleep, but with only moderate capability to detect periods of wake during the sleep period.
Details
- Title
- Assessing sleep using hip and wrist actigraphy
- Authors/Creators
- James A. Slater - Univ Western Australia, Sch Anat Physiol & Human Biol, Ctr Sleep Sci, Nedlands, WA 6009, AustraliaThalia Botsis - The University of Western AustraliaJennifer Walsh - The University of Western AustraliaStuart King - The University of Western AustraliaLeon M. Straker - Curtin UniversityPeter R. Eastwood - The University of Western Australia
- Publication Details
- Sleep and biological rhythms, Vol.13(2), pp.172-180
- Publisher
- Springer Nature
- Number of pages
- 9
- Grant note
- University of Western Australia 1019980; 1042341 / National Health and Medical Research Council of Australia (NHMRC); National Health and Medical Research Council (NHMRC) of Australia University of Western Australia Faculty of Medicine, Dentistry and Health 10277449; 1021858; 1031617; 1044840 / NHMRC; National Health and Medical Research Council (NHMRC) of Australia Women's and Infant's Research Foundation Telethon Institute for Child Health Research Raine Medical Research Foundation Curtin University
- Identifiers
- 991005592657907891
- Copyright
- © 2015 Japanese Society of Sleep Research
- Murdoch Affiliation
- Vice Chancellery
- Language
- English
- Resource Type
- Journal article
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- Citation topics
- 1 Clinical & Life Sciences
- 1.137 Sleep Science & Circadian Systems
- 1.137.349 Insomnia
- Web Of Science research areas
- Clinical Neurology
- Neurosciences
- ESI research areas
- Neuroscience & Behavior