Modalert Tablet is a prescription medication containing modafinil, commonly used to manage narcolepsy and other sleep-related disorders. It works by promoting wakefulness and helping individuals stay alert during the day. In narcolepsy, where excessive daytime sleepiness and sudden sleep attacks are common, Modalert Tablet can significantly improve daily functioning and productivity. It is also prescribed for obstructive sleep apnea and shift work sleep disorder to reduce persistent drowsiness. The tablet influences neurotransmitters in the brain that regulate the sleep–wake cycle without causing extreme stimulation. Modalert should always be taken under medical supervision to ensure correct dosage, monitor side effects, and evaluate overall treatment effectiveness for long-term safety.