Both modafinil and Modvigil are nootropics that help in the treatment of excessive sleep disorders (ESD), and it is a wake-promoting agent that helps in treating various sleep ailments such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder. The working mechanism works by increasing the neurotransmitters in the brain which enhances the brain and reduces the Gamma-aminobutyric acid (GABA) which helps in regulating the sleep cycle. Modalert and Modvigil are the brand names of the medication Modafinil and have the same working mechanism. Both medications share similarities and differences in factors such as manufacturer, duration of action, effectiveness, and cost. To have a detail about Modafinil vs. Modvigil, Read the blog.