Q: In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.
god once helped out Hera after she promised him one of the Graces, Pasithia, as his wife, and he shares with his brother the symbol of an inverted torch. One of his sons is also known by the name Icelus, and in book sixteen of the Iliad he carries the body of Sarpedon back to Lycia with his brother, whose Roman equivalent is Mors. He lives either on the island of Lemnos (*) or in a cave through which the river Lethe flows, and this deity is the son of Erebus and Nyx, both of whom are associated with darkness. Often depicted with wings attached to his head, this god is also the brother of Thnatos and the father of the Oneiroi, a group of beings which include Phobetor, Phantasos, and Morpheus; that group brings him the dreams of mortals. For 10 points, name this Greek god of sleep.
A:
Social Science