Table 5.

Measures of sleep and night-to-night variability from the HB, ACT and sleep diary on non-PSG nights ^*

Device	TST (min)	WASO (min)	SOL (min)	SE (%)
	Mean (SD)
HB	358.8 (61.2)	74.7 (38.5)	42.7 (25.1)	73.7 (8.1)
ACT	401.8 (59.8)	44.2 (20.9)	22.5 (19.4)	82.9 (6.8)
Sleep diary	384.7 (78.2)	39.9 (28.6)	31.3 (20.8)	82.2 (10.7)

Abbreviations: ACT=Actigraphy; HB=Headband; Min=Minutes; SD=Standard deviation; SE=Sleep efficiency; SOL=Sleep onset latency; TST=Total sleep time; WASO=Wake after sleep onset

^*From n=60 participants who had ≥4 nights of data outside of the PSG night.