 As a 'smart drug' it allegedly increases mental focus and helps evade sleep, properties which attract students, professionals in the corporate and tech fields, air-force personnel, surgeons, truck drivers and call-center workers.A survey of 2000 students in the UK in 2014 found that one in five people had used Modafinil to stay awake and study.The drug is also used widely by students in India's academic institutions, where academic pressure and competition is often cited as a reason.