It was in the year 1998 that Modafinil, a wakefulness-promoting agent, received certification from the Food and Drug Administration. This drug motivates individuals, increases resistance to fatigue, lifts mood, improves reaction times and promotes vigilance. Modafinil improves creative thinking, enhances problem-solving skills, betters decision-making capabilities and makes complex tasks simple and pleasurable .It can be used by anyone who wishes to stay awake, maintain their focus and work efficiently. This smart drug raises concentration levels and enhances the functioning of the brain among sleep-deprived people. Use of Modafinil has become common among different sections of the society: business czars, academicians, researchers, shift workers and astronauts. This heavily consumed no tropic is also popular among high-performance individuals, wall -street traders and Silicon Valley entrepreneurs. Army and Air Force officers consume Modafinil in order to enhance physical abilities during combat operations, whereas, students take it to improve focus before exams. This cognitive enhancer has gained wider acceptance because it lifts mood and improves motivation levels faster than other stimulants. Modafinil suppresses hunger and can lead to an excess flow of water from the body. One should eat and drink more water in order to compensate for these simple mechanisms. Only mild side effects such as anxiety, irritability, insomnia, nausea and headache have been reported by the users and that, too, on rare occasions. It is safe for long-term use, has no addictive qualities and dependency is not a concern with this drug. Additionally, patients suffering from narcolepsy, obstructive sleep apnea and attention deficit hyperactivity disorder can buy Modafinil in UK from a trusted drug store.