Table 2.

Summary of gaps in data collections.

	Experiment #1 with Fitbit Charge HR		Experiment #2 with Basis Peak
	7:30 A.M. – 0:00 A.M. CET	All-day	7:30 A.M. – 0:00 A.M. CET	All-day
Minor gaps (data errors) (> 15, <300 seconds)	54	85	20	24
Middle gaps (data errors) (>=300, <2700 s)	7	10	0	0
Major gaps (data errors) (>=2700, <10,000 s)	6	6	0	0
Charging (>=10,000 seconds)	6	12	4	9
Total	73	113	24	33