There has been more than one artist to use the name Sleepless. 1.Sleepless is a Dark Progressive Metal band from Israel, they released Winds Blow Higher in 2001 and now they are split-up. 2.Sleepless is from Tucson, Arizona, formed in 2009. 3.A hungarian deathcore band from Székesfehérvár. 4.Sleepless were originally known under the German name Die Schlaflosen. Formed in 1982 when guitarist Arch Stanton met up with Singers Cloudia Wintermute & Lucretia, and bassist Roland Hammerl. They immediatly found they had an amazing chemistry together and improvasation was the key to their sound.