还在看智能手表的睡眠监测？这准确率还不如丢硬币

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https://news.mydrivers.com/1/1105/1105321.htm

PubMed Central (PMC) (https://pmc.ncbi.nlm.nih.gov/articles/PMC11511193/)

Accuracy of Three Commercial Wearable Devices for Sleep Tracking in Healthy... (https://pmc.ncbi.nlm.nih.gov/articles/PMC11511193/)
Sleep tracking by consumers is becoming increasingly prevalent; yet, few studies have evaluated the accuracy of such devices. We sought to evaluate the accuracy of three devices (Oura Ring Gen3, Fitbit Sense 2, and Apple Watch Series 8) compared to...