There are two bands named Somnus.
1) Somnus is a black/gothic metal band from the United States of America. They formed in 1995 and split up in 2003.
Last known line-up:
Dennis Downey - Guitar
Scott Hilberg - Vocals & Guitar
Rhiannon Wisniewski - Keyboards & Vocals
Steve Rolf - Bass
Chris Stolle - Drums
Website:
http://www.rhialistic.com/somnus
2) Somnus is an alternative rock band from Estonia. Who started in 1, October 2005.
Eero Tölpt - Guitar/Vocal
Jürgen Sarapik - Guitar
Märt Politanov - Bassguitar
Taavi Rull - Drums
Website:
http://www.somnus.ee