Modafinil is a wake-promoting medicine which is approved for the treatment of excessive daytime sleepiness associated with various sleep disorders like Insomnia, Epilepsy, Narcolepsy, Shift work sleep disorder, Obstructive sleep apnea etc. Modafinil is a central nervous system stimulants and it is structurally different from other central nervous system stimulants. Modafinil restore a person’s natural sleep cycle and reduce the tendency of daytime sleepiness. The standard recommended dose of Modafinil is 200 mg. However it may vary from person to person. To know the uses of Modafinil in details visit here