Like Adderall, modafinil (originally sold under the brand names Provigil and Alertec) can increase motivation and promote wakefulness. Some healthy individuals who are not chronobiologically shifted have turned to it for cognitive enhancement. One systematic review found that modafinil consistently enhanced attention, executive functions, and learning, with few side effects. However, other reviews show mixed results including impairments, such as a reduction in creativity, and in another, it led to cognitive slowing with no increase in performance accuracy. Some use it when they have
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