Many treatments for narcolepsy, sleep apnea, and shift work sleep disorder boost alertness. Modafinil, sold as Modalert, is one of the most popular. Commonly prescribed Modalert 200 mg australia boosts alertness and helps individuals remain awake and focused throughout the day. It reduces fatigue without the side effects of coffee by affecting dopamine, norepinephrine, and histamine. Armodafinil and methylphenidate (Ritalin) are other wakefulness-promoting drugs. These medications also cure sleep problems and improve cognition, although their processes vary. Wakefulness-promoting drugs like Modalert might have adverse effects and interact with other drugs, so check a doctor first.