A progressive death metal band from Finspång, Sweden, active between 1989–1999, and briefly in 2003.

Edge of Sanity as a band dissolved in 1999, but former vocalist/composer Dan Swanö resurrected the band name in 2003 for one more time and recorded the Crimson II album, which was a solo studio project with guest musicians.

Final line-up:
Dan Swanö: Vocals, guitar, bass, drums, keyboards (1989–1997, 2003)

Final full band line-up:
Andreas Axelsson: Guitar (1989–1999)
Sami Nerberg: Guitar (1989–1999)
Anders Lindberg: Bass (1989–1999)
Benny Larsson: Drums (1989–1999)
Robert Karlsson: Vocals (1997–1999)