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Personalized Physician-Assisted Sleep Advice for Shift Workers: Algorithm Development and Validation Study

Personalized Physician-Assisted Sleep Advice for Shift Workers: Algorithm Development and Validation Study

We followed the methods by Yu et al [38] to extract some features from the same Fitbit and survey data, and engineered extra features to accommodate our objectives. Raw data from Fitbit included minute-by-minute steps and heart rate as well as the start time, end time, duration, and efficiency of each sleep period. From raw heart rate data, we computed their average, SD, and sample entropy.

Yufei Shen, Alicia Choto Olivier, Han Yu, Asami Ito-Masui, Ryota Sakamoto, Motomu Shimaoka, Akane Sano

JMIR Form Res 2025;9:e65000