Modafinil is a multipurpose medication which improves the cognitive ability of patients affected with different sleep disorders. It is a performance booster which eliminates fatigue, lifts mood, boosts the functioning of the brain and enables users to stay awake and alert at the workplace. It corrects the sleep-wake routine of users and recharges them before going to work. Students rely on this drug to improve their performance in exams, office workers take it to stay focused towards their work and shift workers consume it so that they can give their 100% to their job. It increases mental alertness and stamina among fighting soldiers and enables them to stay vigilant and functional for prolonged hours on the battlefield. Physicians prescribe this medication in the treatment of narcolepsy, obstructive sleep apnea and shift work sleep disorder. People willing to improve their cognitive function can buy Modafinil in UK from a trusted website.