Provigil or Modafinil is an oral medicine that is used for the treatment of sleeplessness in patients suffering with excessive sleepiness. Modafinil also helps to promote wakefulness in patients suffering with extreme sleepiness caused by narcolepsy, obstructive sleep apnea. Modafinil is related with the set of drugs known as wakefulness promoting agents. It effectively acts by changing the quantity of positive natural substances in the area of the brain that helps to control sleep and wakefulness. Provigil is also used in combination with breathing devices or any supplementary treatments to stop too much sleepiness caused by obstructive sleep apnea or hypopnea syndrome or OSAHS. You can buy this medicine from Meds247 online at very good prices.