Wakefulness-promoting medications are designed to treat excessive daytime sleepiness and obstructive sleep apnea among sleep disorder patients. Students, entrepreneurs, professionals, shifts workers, Wall Street traders and paramilitary forces take these drugs to stay alert and improve efficiency. This medication increases the mental capacity of the brain and enables users to solve both simple and complex problems with ease. Patients affected with sleep disorders can buy Modafresh from the website of a reliable drug supplier in UK.