Table 3.

Overview of linear mixed models analysis for sleep indices (in minutes) ~ time.

	Estimates	SD	df	T	p	Lower-95 CI	Upper-95 CI
TIB	−9.51	19.92	19	−0.477	0.639	−51.21	32.19
TST	−27.93	18.94	19	−1.475	0.157	−67.56	11.71
TWT	18.42	8.00	19	2.301	0.033*	1.66	35.17
SOL	12.03	7.85	19	1.533	0.142	−4.40	28.46
REM SOL	0.04	11.41	19	0.003	0.997	−23.83	23.91
N3 SOL	18.85	5.59	19	3.374	0.003**	7.15	30.54

TIB, Time in Bed; TST, Total Sleep Time; TWT, Total Wake Time; REM, Rapid Eye Movement; SOL, Sleep Onset Latency; N3, sleep stage 3; SD, standard deviation; df, degrees of freedom; T, t-Value; p, level of significance;

^*p < 0.05;

^**p < 0.01; CI, Confidence Interval.