Contactless and longitudinal monitoring of nocturnal sleep and daytime naps in older men and women: a digital health technology evaluation study.
Contactless and longitudinal monitoring of nocturnal sleep and daytime naps in older men and women: a digital health technology evaluation study.
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To compare the 24-hour sleep assessment capabilities of two contactless sleep technologies (CSTs) to actigraphy in community-dwelling older adults. We collected 7–14 days of data at home from 35 older adults (age: 65–83), some with medical conditions, using Withings Sleep Analyser (WSA, n = 29), Emfit QS (Emfit, n = 17), a standard actigraphy device (Actiwatch Spectrum [AWS, n = 34]), and a sleep diary (n = 35). We compared nocturnal and daytime sleep measures estimated by the CSTs and actigraphy without sleep diary information (AWS-A) against sleep-diary-assisted actigraphy (AWS|SD). Compared to sleep diary, both CSTs accurately determined the timing of nocturnal sleep (intraclass correlation [ICC]: going to bed, getting out of bed, time in bed >0.75), whereas the accuracy of AWS-A was much lower. Compared to AWS|SD, the CSTs overestimated nocturnal total sleep time (WSA: +92.71 ± 81.16 minutes; Emfit: +101.47 ± 75.95 minutes) as did AWS-A (+46.95 ± 67.26 minutes). The CSTs overestimated sleep efficiency (WSA: +9.19% ± 14.26%; Emfit: +9.41% ± 11.05%), whereas AWS-A estimate (−2.38% ± 10.06%) was accurate. About 65% (n = 23) of participants reported daytime naps either in bed or elsewhere. About 90% in-bed nap periods were accurately determined by WSA while Emfit was less accurate. All three devices estimated 24-hour sleep duration with an error of ≈10% compared to the sleep diary. CSTs accurately capture the timing of in-bed nocturnal sleep periods without the need for sleep diary information. However, improvements are needed in assessing parameters such as total sleep time, sleep efficiency, and naps before these CSTs can be fully utilized in field settings.
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影响因子:
5
作者:
Kennedy MR;Huxtable R;Birchley G;Ives J;Craddock I
通讯作者:
Craddock I
影响因子:
5.6
作者:
Chinoy ED;Cuellar JA;Huwa KE;Jameson JT;Watson CH;Bessman SC;Hirsch DA;Cooper AD;Drummond SPA;Markwald RR
通讯作者:
Markwald RR
影响因子:
4.3
作者:
Kholghi, Mahnoosh;Szollosi, Irene;Zhang, Qing
通讯作者:
Zhang, Qing
影响因子:
5
作者:
Schütz N;Saner H;Botros A;Pais B;Santschi V;Buluschek P;Gatica-Perez D;Urwyler P;Müri RM;Nef T
通讯作者:
Nef T
影响因子:
4
作者:
Owusu JT;Wennberg AMV;Holingue CB;Tzuang M;Abeson KD;Spira AP
通讯作者:
Spira AP