Generic provigil or Modafinil is tonic drug used for the treatment of sleep disorder extreme drowsiness during day time and narcolepsy. Generic provigil drugs are the drug for restlessness in patients and also for sleep disorder. Modafinil is a white to off-white, crystalline powder that is almost insoluble in water and cyclohexane. It is thinly to a little soluble in methanol and acetone. This medicine has also been proved to be effective in ADHD or Attention Deficit Hyperactivity Disorder treatment. Generic provigil is not suggested to be used by children. This medicine is also useful for Parkinson treatment. If a person is using this drug for a long period, he should conduct regular checkups and make essential amendment in drug doses as it has the potential to become habit forming and could be used for drug abuse. It is also proved to be useful in drug addictions treatment psychological disorders like schizophrenia and depression.