.Provigil should be taken orally as prescribed by your doctor, often once daily in the morning, with or without meals. The total daily amount of modafinil may also be split between a morning and a noon dose, if your doctor instructs you to do so. Modafinil's effects on cognition have only been studied in a small number of studies, with varying degrees of success. Provigil is advised to improve wakefulness. When treating people who have a history of substance misuse, it should be done with caution.
There are two oral dosages of Provigil: 100 mg and 200 mg. It functions in the brain by changing the neurotransmitters, or natural chemicals, that regulate sleep cycles. It has been demonstrated that the innovative wakefulness-promoting drug Provigil is more effective than a placebo for treating attention-deficit hyperactivity disorder (ADHD) in both children and adults. In adult patients with excessive sleepiness brought on by narcolepsy, obstructive sleep apnea, or shift work conditions