Provigil 100 mg is a specific dosage of the medication modafinil, prescribed to address conditions like narcolepsy, obstructive sleep apnea, and shift work sleep disorder. This dose contains 100 milligrams of the active ingredient, which is known for its wakefulness-promoting properties. By influencing certain brain chemicals, it helps individuals combat excessive daytime sleepiness and maintain alertness. Provigil 100 mg can enhance cognitive functions such as focus and productivity. However, its usage should be guided by a healthcare professional to ensure safe and effective treatment, with careful consideration of potential side effects and interactions with other medications. Compliance with prescribed dosage is crucial for optimal results.