Modafinil is a prescription medication used to treat excessive sleepiness caused by conditions such as narcolepsy, obstructive sleep apnea, and shift work sleep disorder. Known for its wakefulness-promoting properties, Modafinil helps improve focus, alertness, and cognitive function, making it a popular choice for individuals needing to stay awake and alert during the day. It is important to use Modafinil under medical supervision, as it is a potent drug with potential side effects and contraindications