Hypnos (between 2004 and 2006, Hypnös) is a Czech death metal band from Staré Město, formed in 1999. The group consists of Bronislav Kovařík (vocals, bass), Peter Hlaváč (drums), Vlastimil Urbanec (guitar), and Martin Klinkera (guitar). As of 2020, they have released six studio albums, two EPs, and one compilation.

Source: Wikipedia (https://en.wikipedia.org/wiki/Hypnos_(band))