Provigil is available in two different oral Provigil 100 mg and 200mg. It works in the brain by altering the natural chemicals (neurotransmitters) that control the sleep cycle. Provigil (Modafinil) is a medication used to treat sleep disorders such as narcolepsy, sleep apnea, and shift work sleep disorder. It works by promoting wakefulness and increasing alertness and attention. Provigil is classified as a stimulant medication, but the exact way it works is not well understood. It is only available with a prescription from a licensed healthcare provider and should be used under the supervision of a doctor.
