Modalert 200 is a medication that contains modafinil, a central nervous system stimulant. It is primarily used to treat excessive daytime sleepiness associated with narcolepsy, obstructive sleep apnea, and shift work sleep disorder. Modalert 200 can help improve wakefulness and alertness in individuals who struggle with staying awake during the day. This medication is known for its ability to enhance cognitive function, memory, and mood, making it popular among individuals seeking to boost productivity or combat fatigue. It is important to use Modalert 100 under the guidance of a healthcare provider to ensure safe and effective treatment.