Table 4.

Perifornical cell counts, sleep–wake behavior,T_b, and LMA for animals sleep deprived from ZT 5 to ZT 7 and animals sleep deprived from ZT 17 to ZT 19

	Daytime (ZT 5–ZT 7)			Nighttime (ZT 17–ZT 19)
	Control	Sleep deprived	Mann–Whitney p values	Control	Sleep deprived	Mann–Whitney p values
n	7	8		6	6
Fos-IR neurons	25  ± 4	101  ± 4	0.001	57  ± 4	79  ± 6	0.01
Orexin-IR neurons	81  ± 3	74  ± 3	N.S.	80  ± 3	72  ± 5	N.S.
Double-labeled neurons	5  ± 1	41  ± 3	0.001	31  ± 2	34  ± 3	N.S.
Non-orexin-IR, Fos-IR neurons	20  ± 4	60  ± 4	0.001	26  ± 3	44  ± 5	0.007
% Wake	21.2  ± 3.2	99.7  ± 0.2	0.001	89.2  ± 3.5	100  ± 0.0	0.002
% NREM sleep	62.5  ± 3.3	0.1  ± 0.1	0.0006	9.2  ± 2.9	0.0  ± 0.0	0.002
% REM sleep	16.3  ± 2.2	0.2  ± 0.2	0.0006	1.0  ± 0.6	0.0  ± 0.0	N.S.
Tb (°C)	36.8  ± 0.1	37.7  ± 0.1	0.001	37.9  ± 0.2	38.3  ± 0.2	N.S.
Change in Tb (°C)	0.0  ± 0.1	0.3  ± 0.1	0.03	0.0  ± 0.1	0.3  ± 0.1	N.S.
LMA	0.4  ± 0.1	2.4  ± 0.2	0.001	2.1  ± 0.1	2.7  ± 0.5	N.S.