The exact mechanism of action of Modafinil is not exactly understood. This smart drug acts on the area of the brain that controls the sleep/wake cycle. It helps in treating sleep disorders by elevating levels of certain natural substances required for staying awake.
Modafinil has similar wake-promoting actions to adrenergic drugs, which include amphetamine and methylphenidate, even though has a different pharmacological profile as compared to adrenergic amines. The time required for Modafinil Generic to show its action is about 20 to 60 minutes. However, its action persists for a duration of five to ten hours post oral consumption.