Modvigil 200 and Adderall both promote wakefulness, but they work differently for sleep apnea-related excessive daytime sleepiness (EDS). buy Modvigil 200 it is a wakefulness agent that increases dopamine and histamine levels to enhance alertness without strong stimulant effects, making it a preferred option for managing EDS in obstructive sleep apnea (OSA) patients, especially those using CPAP therapy. Adderall (amphetamine salts) is a traditional stimulant that increases dopamine and norepinephrine more aggressively, which can lead to higher risks of dependency, jitteriness, and cardiovascular side effects. While Adderall may feel stronger, Modvigil is often the safer and more sustainable choice for long-term wakefulness in sleep apnea without overstimulation. However, effectiveness varies by individual, so a doctor's guidance is essential.