Modafinil 200 Australia (Provigil), along with its cousin armodafinil, is a wakefulness-promoting drug that can help people with excessive daytime sleepiness due to narcolepsy, obstructive sleep apnea, or shift work disorder. It is a schedule IV medication. It is usually taken long-term. It may increase the risk of psychological and physical dependence, especially in people who use it for...