Table 1.

Sleep architecture

	REM group	Stage 2 group	t(1,22)	p
Wake after sleep onset (%)	15.32 ± 8.34	12.29 ± 6.78	0.98	>0.34
Stage 1 sleep (%)	3.76 ± 5.67	3.53 ± 5.97	0.09	>0.93
Stage 2 sleep (%)	51.03 ± 8.34	51.39 ± 7.62	0.11	>0.91
SWS (%)	15.97 ± 7.61	19.07 ± 6.82	1.05	>0.30
REM sleep (%)	13.92 ± 3.92	13.70 ± 7.70	0.09	>0.93
Total sleep time (min)	368.95 ± 56.19	346.53 ± 48.94	0.78	>0.44
Latency from sleep onset to first trial onset (min)	198.52 ± 74.52	185.37 ± 17.37	0.60	>0.56
Number of trials	25.50 ± 6.54	27.42 ± 4.54	0.83	>0.41