Armodafinil, the active ingredient in Artvigil 150mg, is prescribed to people who suffer from narcolepsy or shift work sleep disorder, two conditions characterized by excessive daytime sleepiness and the inability to fall or stay asleep at regular times. The sleep disorders narcolepsy, obstructive sleep apnea, and shift work sleep disorder are commonly treated with Modawake 200mg Tablets, also know as Modafinil 200mg Tablets. The supplement is predicated on modafinil, a stimulant that has been granted FDA approval. It is in the category of drugs known as nootropics (sometimes called "smart drugs"). The effects of Modawake on mental function are considerable.