Modalert contains the active ingredient modafinil and is used as a wakefulness enhancer to treat excessive daytime sleepiness primarily associated with sleep disorders such as narcolepsy, obstructive sleep apnea (OSA), and shift work sleep disorder (SWSD). The meds work by stimulating the brain and altering levels of certain neurotransmitters such as dopamine and norepinephrine, which play an important role in regulating sleep-wake cycles and maintaining a state of wakefulness. By promoting alertness,Modalert 200 mg Australia helps patients stay awake and alert throughout the day, reducing the likelihood of sudden sleep attacks and improving overall cognitive function and productivity. Although Modalert is effective in treating symptoms of excessive sleepiness, it is not a cure for sleep disorders and should be used under the guidance of a physician for safe and appropriate use.