to take care of excessive sleepiness due to sleep apnea, narcolepsy, or shift work sleep disorder. Modafinil will be the ingredients present in Provigil, Alertec or Modvigil. It is a smart drug, also known as a nootropic. It enhances your cognitive function in a variety of ways. There are plenty of smart drugs, nonetheless it stands in the class of its own for a few reasons: