Nyktalgia was a depressive black metal band formed in the Autumn of 2001 in North Rhine-Westphalia, Germany by Malfeitor and Winterheart . They released two albums: Nyktalgia and Peisithanatos. The name of the band is derived from "Nyctalgia", which is the nocturnal bone pain experienced by patients with syphilis. They split up in 2008.