"Perfect Insanity" is a song by the American heavy metal band Disturbed released as a promotional single from their fourth album Indestructible. The song was originally written by the band prior to their debut album, The Sickness. "Perfect Insanity" was also previously released on the band's documentary, M.O.L., as a demo track with a music video, from before they were signed to a record label. They re-recorded the song in 2007 and it was released on Indestructible.It is included in the video game WWE SmackDown vs. Raw 2009 and is a playable track in the Rock Band series.