 Euripides, in his play "Hecuba" has Hecuba call "lady Earth" the "mother of black-winged dreams".The second-century AD geographer Pausanias mentions seeing statues of an Oneiros and Hypnos lulling a lion to sleep.Related figures are the "Somnia" (Dreams), the thousand sons that the Latin poet Ovid gave to Somnus (Sleep), who appear in dreams.