Modalert 200mg Modalert 200mg is available by the name Provigil in addition to other brands it is a drug used to treat insomnia caused by narcolepsy conditions, shift work sleep disorder, or obstructive sleep apnea. Modafinil's effects are mental stimulation, mood improvement as well as alertness, and in certain cases, mild feeling of euphoria. How It Works Modalert 200 mg is a compound that...