Table 3.

Results of EEG (mean ± SD).

	1st Night		2nd Night		3rd Night		4th Night
	r_SMFE	s_SMFE	r_SMFE	s_SMFE	r_SMFE	s_SMFE	r_SMFE	s_SMFE
N1%	16.20 ± 4.5	16.89 ± 4.5	9.50 ± 2.7	9.66 ± 2.7	5.72 ± 1.5	6.01 ± 1.3	5.82 ± 1.3	6.31 ± 1.1
N2%	59.22 ± 5.2	63.52 ± 6.8	53.96 ± 3.5	56.02 ± 3.5	46.11 ± 2.2	47.69 ± 1.7	45.93 ± 2.3	47.9 ± 1.7
N3%	14.08 ± 3.0	12.52 ± 4.0	19.82 ± 2.9	18.45 ± 3.3	25.46 ± 2.0	23.68 ± 1.2	25.45 ± 1.6	23.2 ± 1.3
REM%	10.50 ± 3.5	8.07 ± 3.9	16.73 ± 2.0	15.87 ± 1.6	22.51 ± 1.4	22.62 ± 1.4	22.81 ± 1.9	22.51 ± 1.5
TST (h) 1	5.58 ± 0.90	5.52 ± 0.87	7.46 ± 0.85	7.15 ± 0.85	7.96 ± 0.58	7.61 ± 0.72	8.16 ± 0.39	7.86 ± 0.67
SE 2 %	62.00 ± 10.0	61.31 ± 9.7	82.85 ± 9.5	79.42 ± 9.5	88.47 ± 6.4	84.56 ± 8.0	90.63 ± 4.3	87.33 ± 7.5
WN 3 (time)	1.00 ± 0.7	1.40 ± 0.8	0.10 ± 0.3	0.25 ± 0.4	0.00 ± 0.0	0.05 ± 0.2	0.00 ± 0.0	0.00 ± 0.0
SOL (min) 4	74.24 ± 16.8	75.15 ± 17.2	58.52 ± 15.4	57.89 ± 15.3	26.28 ± 5.9	28.46 ± 6.2	24.32 ± 7.6	31.65 ± 9.3
RL (h) 5	2.58 ± 0.8	2.73 ± 0.9	1.05 ± 0.3	1.20 ± 0.3	1.05 ± 0.3	1.03 ± 0.3	1.09 ± 0.3	1.02 ± 0.2

¹ TST: total sleep time; ² SE: sleep efficiency; ³ WN: awakening number; ⁴ SOL: sleep onset latency; ⁵ RL: REM latency.