Fig. 2From: Validation of minute-to-minute scoring for sleep and wake periods in a consumer wearable device compared to an actigraphy device(Left) Minute-by-minute absolute activity of Arc and Actiwatch as recorded from all subjects over 48 h (82,587 data points). (Right) Minute-by-minute absolute activity of Arc and Actiwatch as recorded from all subjects during time in bed periods only (31,374 data points)Back to article page