PROVIGIL is a prescription medicine used to improve wakefulness in adults who experience excessive sleepiness (ES) due to one of the following diagnosed sleep problems: obstructive sleep apnea/hypopnea syndrome (OSAHS), shift work sleep disorder (SWSD), or narcolepsy.

In OSA, PROVIGIL is used along with other medical treatments for this sleep problem. PROVIGIL is not a replacement for your current treatment. You should continue your current OSA treatment while taking PROVIGIL.