Hypnos comes from the name of his Latin counterpart, Somnus. (in- "not" + somnus "sleep"), as well as a few less-common words such as "somnolent", meaning sleepy or tending to cause sleep and hypersomnia meaning excessive sleep, which can be caused by many conditions (known as secondary hypersomnia) or a rare sleep disorder causing excessive sleep with unknown cause, called Idiopathic Hypersomnia. 3D model of "Bronze head of Hypnos" via laser scan of a cast of British Museum's bronze. Hypnos In Greek mythology, Hypnos (; , "sleep") is the personification of sleep; the Roman equivalent is known as Somnus. In the
Greek mythology in popular culture Lord Tennyson's "Oenone" is her lament that Paris deserted her for Helen. When poets of the German Romantic tradition, such as Friedrich Schiller, wrote about the Greek gods, their works were frequently "erotically charged", "openly sensual and hedonistic". In his poem "The Waste Land", T. S. Eliot incorporates a range of elements and inspirations from Greek mythology to pop music to Elizabethan history to create a ""tour-de-force" exposition of Western culture, from the elite to the folk to the utterly primitive". The Indian poet Henry Louis Vivian Derozio's work was heavily influenced by Greek mythology. Nina Kosman published a book