Fig. 1.
A 10 s sample of raw accelerometer data in g (g = 9.8 ms−2). (A) Walking activity. (B) Sleeping activity. With only 10 s of data, this sleeping activity is indistinguishable from a different sedentary behavior.
A 10 s sample of raw accelerometer data in g (g = 9.8 ms−2). (A) Walking activity. (B) Sleeping activity. With only 10 s of data, this sleeping activity is indistinguishable from a different sedentary behavior.