Modvigil 200 is a drug similar to Modalert 200 that contains the active component modafinil. It, like Modalert, is primarily used to treat narcolepsy, shift work sleep disorder, and obstructive sleep apnea by increasing wakefulness and alertness. Modvigil 200 is also recognized for its cognitive-enhancing properties, which assist people increase their focus, concentration, and overall productivity.