Provigil 200mg is the standard prescription strength of modafinil, a medication designed to promote wakefulness and reduce excessive daytime sleepiness. It is commonly prescribed for conditions such as narcolepsy, shift work sleep disorder, and obstructive sleep apnea-related fatigue. By stimulating the central nervous system, Provigil 200mg helps improve alertness, concentration, and overall cognitive performance, making daily tasks easier to manage.