Provigil is a smart drug to provide a smart solution to the problem of sleep disorder. Sleep disorder is a condition or inability to sleep on a regular basis. The changes in sleep pattern negatively affect the health of an individual. Provigil is an FDA approved medicine and is also useful for enhancing the mental abilities of a person along with treating the problem of excessive sleep disorder. You can now order and buy Provigil online. PROVIGIL: ITS MECHANISM OF ACTION Provigil works by promoting wakefulness. Provigil works by blocking the dopamine transporters. It helps in treating excessive sleep disorders like sleep apnea, shift work sleep disorders, narcolepsy. It is also helpful in treating fatigue. Apart from these, it helps in enhancing mental or cognitive ability of a person by increasing alertness, improving concentration power. PROVIGIL: ITS ACTIVE AND INACTIVE INGREDIENTS The active and inactive ingredients of Provigil are as follows – Active i...