Modalert 200 is primarily used to treat excessive daytime sleepiness in conditions like narcolepsy, but it does not directly prevent sleep paralysis, which is another symptom some individuals with narcolepsy experience. Sleep paralysis occurs when a person temporarily cannot move or speak while falling asleep or waking up, often accompanied by hallucinations. While Modalert 200 mg Australia promotes wakefulness and reduces daytime fatigue, it does not specifically target the mechanisms that cause sleep paralysis. To address sleep paralysis, doctors may recommend other medications, such as antidepressants, to regulate REM sleep, combined with lifestyle changes like maintaining a consistent sleep schedule and reducing stress.