Table 4. Full-night sleep EEG macrostructure given in minutes.

	Mean	Std. Dev.	Minimum	Maximum
Sleep duration	432.50	31.49	323.3	474.7
Wake duration	42.01	29.73	0.0	157.7
S1 duration	16.95	12.93	0.7	53.0
S2 duration	229.28	31.71	156.3	296.0
SWS duration	83.45	28.61	2.0	172.0
REM duration	102.82	24.84	51.7	147.7
Sleep latency (first sleep)	24.28	19.80	0.0	98.7
REM latency (from first sleep)	88.65	31.68	9.7	176.7