Table 1. Change in heart rate during inactivity.

	DAYTIME (n = 160,357)	NIGHTTIME (n = 44,502)
Adjacent inactive mins	Mean decrease in HR from preceding minute (bpm)	Mean decrease in HR from preceding minute (bpm)
0–1	2.99	1.63
1–2	3.22	2.21
2–3	0.96	0.41
3–4	0.42	0.24
4–5	0.24	0.14
5–6	0.17	0.06
6–7	0.16	0.03