Table 4.

Summary of the statistical results in the normalized EEG data analyses by two-way ANOVA with “group” and “sleep cycle” as factors in each frequency band.

Variable	Group		Sleep cycle		Group × Time
	F1, 51	P	F2, 51	P	F2, 51	P
Normalized beta	0.0829	0.7746	3.004	0.0584	0.7885	0.4600
Normalized sigma	0.8852	0.3512	17.400	p < 0.0001	0.2265	0.7981
Normalized alpha	0.3687	0.5464	16.17	p < 0.0001	3.052	0.0560
Normalized theta	1.421	0.2387	70.65	p < 0.0001	1.245	0.2966
Normalized delta	1.254	0.2697	27.89	p < 0.0001	3.754	0.0301
Normalized US	0.2294	0.6340	7.974	0.0010	1.367	0.2641