Modvigil drugs are also known as eugeroic or stimulants. It helps treat conditions that lead to excessive sleepiness. It is used to treat dizziness and other sleep disorders such as sleep apnea and shift work disorder as well as to control and suppress attention deficit hyperactivity disorder (ADHD). Modvigil helps you stay awake for up to 12 hours. It is used as a psychotropic drug by healthy individuals to improve and maintain cognitive abilities of brain concentration and memory.