NEW YORK (AP) -- Teva Pharmaceutical Industries Ltd. said Thursday it is now selling a generic version of its sleep disorder drug Provigil, and it expects Par Pharmaceutical Cos. to start selling ...

Modafinil is a drug used to treat wakefulness disorders like narcolepsy, shift work sleep disorder and daytime sleepiness caused by obstructive sleep apnea. Modafinil is usually prescribed at mg to be ...