Buy Provigil online, Provigil is a used treat for extreme sleepiness and other sleeping disorders. Provigil's other name is modafinil. Provigil is a stimulant medication. It works by stimulating the central nervous system.FDA approved it used in day time sleepiness, work disorder and OSA. So, it is safe to use for those suffering from this and they have a prescription so get this most securely.