There are at least 3 artists called Deep Sleep: 1) Deep Sleep are a hardcore/punk band from Baltimore,MD.
2) Deep Sleep are a Indie Electronica / Pop band from Portugal.
3) Deep Sleep are a Hard Rock band from the small town of Kokemäki, Finland.
4) There also are relaxation music on the same name Deep Sleep. The biographies for each are listed below: 1) Deep Sleep are a hardcore/punk band from Baltimore, MD.

Read more about Deep Sleep on Last.fm.