TABLE 2.

Statistics of sleep-wake cycles in individual recordings.

Animal #	Rec #	Duration (min)				# of episodes			Episode duration (min)
		Total	NREM	REM	AW	NREM	REM	AW	NREM	REM	AW
1	1	266.9	115.2	8.2	143.5	110	6	110	1.0 ± 0.9	1.4 ± 1.0	1.3 ± 1.9
1	2	265.0	100.7	1.7	162.6	107	2	107	0.9 ± 0.7	0.8 ± 0.4	1.5 ± 2.4
1	3	256.9	103.6	4.9	148.3	134	7	134	0.8 ± 0.6	0.7 ± 0.5	1.1 ± 1.5
1	4	212.7	100.2	8.9	103.6	108	6	108	0.9 ± 0.9	1.5 ± 1.2	0.9 ± 1.2
2	1	267.1	98.9	1.6	166.6	143	2	143	0.7 ± 0.5	0.8 ± 0.8	1.2 ± 2.7
3	1	252.7	47.2	1	204.5	76	2	76	0.6 ± 0.5	0.5 ± 0.0	2.6 ± 5.7

AW, wakefulness; REM, rapid eye movement sleep; NREM, non-REM sleep. Data represents mean ± standard deviation.