Sub-threshold dose sleep latency and sleep duration tests of pentobarbital sodium in mice and rats in the different groups^a.

Groups	Samples	Mice			Rats
		Dose (mg kg−1)	Sleep latency (min)	Sleep duration (min)	Dose (mg kg−1)	Sleep latency (min)	Sleep duration (min)
Control	10		11.90 ± 3.11	38.20 ± 15.67		8.50 ± 2.10	20.00 ± 5.30
LS	10	400	5.88 ± 1.72***	81.90 ± 19.70***	300	5.10 ± 0.44**	64.40 ± 11.29***
LaS	10	400	6.20 ± 3.02*	69.60 ± 11.90**	300	5.56 ± 1.20*	62.34 ± 12.20***
LaO	10	400	8.30 ± 3.52*	40.30 ± 8.32	300	7.42 ± 1.60	38.65 ± 8.45
LaI	10	0.03	6.40 ± 3.10**	58.75 ± 10.60**	0.03	6.20 ± 0.70*	50.20 ± 10.10**
Diazepam	10	5	6.20 ± 1.40***	65.47 ± 12.10**	3.5	5.25 ± 0.48**	63.50 ± 10.50***

^aCompared with the control group, ***P < 0.001, **P < 0.01, *P < 0.05.