About Sleepless: 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 SzÃ©kesfehÃ©rvÃ¡r. 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.