Table 1.

Cell counts and mean discharge rates during the sleep-waking cycle of state-dependent and state-unrelated ventral tuberomammillary neurons in wild-type mice.

	Cell type	Number (percentage) of recorded neurons	Mean discharge rate (±SEM)
			AW	QW	D	SWS	PS	H	P
1	W-active	30 (32.6%)
	a. W-specific	26 (28.3%)	4.24 ± 0.28	3.09 ± 0.24	0.00 ± 0.00	0.00 ± 0.00	0.00 ± 0.00	119.2	<0.0001
	b. non-W-specific	4 (4.3%)	8.57 ± 2.73	4.77 ± 1.48	0.97 ± 0.10	0.40 ± 0.25	0.80 ± 0.25	14.1	<0.01
2	W/PS-active	6 (6.5%)	2.74 ± 0.64	2.12 ± 0.49	0.58 ± 0.27	0.82 ± 0.27	3.08 ± 0.91	13.3	<0.01
3	Sleep-active	43 (46.7%)
	a. SWS-active	6 (6.5%)	0.34 ± 0.19	0.37 ± 0.19	3.83 ± 1.31	9.94 ± 2.74	4.96 ± 2.08	20.1	<0.001
	b. SWS/PS-active	20 (21.7%)	0.23 ± 0.09	0.35 ± 0.12	1.82 ± 0.44	3.07 ± 0.72	4.09 ± 0.61	59.7	<0.0001
	c. PS-specific	3 (3.3%)	0.01 ± 0.01	0.00 ± 0.00	0.05 ± 0.05	0.55 ± 0.27	4.23 ± 1.56	12.3	<0.01
	d. Low rate (<1 Hz)	14 (15.2%)	0.00 ± 0.00	0.01 ± 0.01	0.09 ± 0.05	0.36 ± 0.08	0.55 ± 0.07	52.1	<0.0001
4	Unrelated	13 (14.1%)	5.98 ± 2.08	4.91 ± 1.59	4.30 ± 1.36	4.77 ± 1.34	5.09 ± 2.17	0.83	0.93
	Total	92

Statistical analysis was carried out using the Kruskal–Wallis test.