期刊
EXPERT REVIEW OF MEDICAL DEVICES
卷 13, 期 5, 页码 497-506出版社
TAYLOR & FRANCIS LTD
DOI: 10.1586/17434440.2016.1171708
关键词
Sleep tracking devices; fitness trackers; smartphone apps; consumer sleep tracking; actigraph
Consumer sleep tracking devices such as fitness trackers and smartphone apps have become increasingly popular. These devices claim to measure the sleep duration of their users and in some cases purport to measure sleep quality and awaken users from light sleep, potentially improving overall sleep. Most of these devices appear to utilize data generated from in-built accelerometers to determine sleep parameters but the exact mechanisms and algorithms are proprietary. The growing literature comparing these devices against polysomnography/actigraphy shows that they tend to underestimate sleep disruptions and overestimate total sleep times and sleep efficiency in normal subjects. In this review, we evaluate the current literature comparing the accuracy of consumer sleep tracking devices against more conventional methods used to measure sleep duration and quality. We discuss the current technology that these devices utilize as well as summarize the value of these devices in clinical evaluations and their potential limitations.
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