Modalert 200mg medication created especially to treat excessive drowsiness. For sleep-related disorders such narcolepsy, obstructive sleep apnea, and shift work sleep disorder, it is frequently recommended. Because Modalert 200 affects certain neurotransmitters in the brain, it encourages alertness and keeps users focused and awake throughout the day. Numerous people report feeling less tired, having more focus, and having greater mental function. Usually, it lasts for several hours and begins to function within 30 to 60 minutes. But, because some people may have adverse effects including headaches, nausea, or anxiety if they use it improperly, it should be taken under a doctor’s supervision.