A prescription drug called modafinil is primarily used to increase alertness and lessen excessive daytime drowsiness. It is frequently prescribed by doctors for sleep problems such as shift work sleep disorder, narcolepsy, and obstructive sleep apnea. When people's regular sleep habits are disturbed, it helps them stay awake during the day. Additionally, modafinil is also used off-label to enhance mental performance, attention, and concentrationparticularly for rigorous jobs or study. It functions by influencing certain brain chemicals related to attention and wakefulness.

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