Table 2.

Effect of ashwagandha extract on the onset time to sleep and duration of sleep using the pentobarbital sleep-induction model

Group	Onset time to sleep (latency time, min)	Duration of sleep (min)
Control	53.13±1.62	59.75±1.11
Positive control (diazepam)	25.13±0.48*	101.88±1.22*
Ashwagandha extract (low dose)	48.13±0.55#§	66.88±1.09#§
Ashwagandha extract (mid-dose)	42.38±0.56*§†	76.38±1.13*§‡
Ashwagandha extract (high dose)	35.13±0.35*§†∥	87.75±1.47*§†∥

Data are presented as mean±SEM.

*P<0.0001 and ^#P=0.002 compared with control.

^§P<0.0001 compared with positive control.

^†P<0.0001 and ^‡P=0.0003 compared with ashwagandha low dose.

^∥P<0.0001 compared with ashwagandha mid-dose.