Liu J, Zhao Y, Lai B, Wang H, Tsui KL
Wearable Device Heart Rate and Activity Data in an Unsupervised Approach to Personalized Sleep Monitoring: Algorithm Validation
JMIR Mhealth Uhealth 2020;8(8):e18370
URL: mhealth.jmir.org/2020/8/e18370
DOI: 10.2196/18370
PMID: 32755887