Cognitive enhancers (also known as nootropics, smart drugs, or brain enhancers) are taken to refine memory, increase 

concentration, escalate energy levels, wakefulness, and improve mood. There are different cognitive enhancement medicines available in the market that help in increasing cognitive power and boost brain power but there is a reason why Modafinil has a class of its own? The answer lies in its 4 characteristics: non-stimulant, non- addictive, very few, or no side-effects and it works well by enhancing your cognitive properties.