Table 2.

PSG data from baseline to the 3-month follow-up visit

	Baseline (mean ± SD)	3-month FU (mean ± SD)	p-value
Lights off time (hh:mm:ss PM)	11:10:33 ± 1:10:23	11:14:18 ± 0:56:54	0.386
Time in bed (min)	408.93 ± 84.83	427.99 ± 62.86	0.814
Sleep latency (min)	24.43 ± 45.68	6.13 ± 7.22	0.034
Total sleep time (min)	316.92 ± 74.30	369.92 ± 65.03	0.136
Sleep efficiency (%)	78.56 ± 13.86	86.11 ± 7.03	0.084
REM sleep latency (min)	94.29 ± 46.11	116.96 ± 79.79	0.388
N1 (%)	6.41 ± 3.01	6.74 ± 6.59	0.505
N2 (%)	53.24 ± 10.30	50.10 ± 13.59	0.272
N3 (%)	25.79 ± 12.13	27.98 ± 12.99	0.308
REM (%)	14.53 ± 4.33	15.18 ± 7.20	1.000
WASO (min)	92.01 ± 67.41	58.38 ± 28.31	0.117

Abbreviations: FU, follow-up; WASO, wakefulness after sleep onset; N1, stage 1 of non-REM sleep; N2, stage 2 of non-REM sleep; N3, stage 3 of non-REM sleep; REM, rapid eye movement sleep; SD, standard deviation