The Greek god Hypnos (眠りを司る神 ヒュプノス, Nemuri wo Tsukasadoru Kami Hyupunosu, lit. meaning "God who rules over Sleep") is one of the antagonist deities featured in the universe of the Manga Saint Seiya, authored by Masami Kurumada, and later adapted to Anime. He was created by Kurumada based on the mythologic persona of the same name.