Journal
NURSING & HEALTH SCIENCES
Volume 25, Issue 1, Pages 44-62Publisher
WILEY
DOI: 10.1111/nhs.13011
Keywords
meta-analysis; sleep disorders; sleep wake disorders; systematic review; wearable electronic devices
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This review evaluated the effectiveness of wearable-delivered sleep interventions on sleep outcomes among adults and explored the factors affecting total sleep time. Twenty randomized controlled trials involving 1608 adults from nine countries were included. The results showed that wearable-delivered sleep interventions significantly improved oxygen desaturation index and respiratory distress index, and significantly reduced sleep disturbance and sleep-related impairment. The findings suggest that wearable-delivered sleep interventions can complement usual care to improve sleep outcomes.
The aims of the review were to (i) evaluate the effectiveness of wearable-delivered sleep interventions on sleep outcomes among adults, and (ii) explore the effect of factors affecting total sleep time. Eight databases were searched to identify relevant studies in English from inception until December 23, 2021. The Cochrane Risk of Bias tool version 2.0 and Grading of Recommendations, Assessment, Development, and Evaluations (GRADE) criteria were used to assess the risk of bias and certainty of the evidence, respectively. Twenty randomized controlled trials (RCTs) were included, involving 1608 adults across nine countries. Wearable-delivered sleep interventions elicited significant improvement of 1.96 events/h for the oxygen desaturation index and 3.13 events/h for the respiratory distress index. Meta-analyses found that wearable-delivered sleep interventions significantly decreased sleep disturbance (Hedges' g [g] = -0.37, 95% confidence interval [CI]: -0.59, -0.15) and sleep-related impairment (g = -1.06, 95% CI: -1.99, -0.13) versus the comparators. The wearable-delivered sleep interventions may complement usual care to improve sleep outcomes. More rigorous RCTs with a long-term assessment in a wide range of populations are warranted.
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