The personification of sleep. Hypnos is usually depicted in ancient Greek art as a winged boy, or an adolescent with wings in his hair. The arms of the statue have been lost, but other ancient depictions in art and literature suggest that he would have been holding an opium poppy in his left hand, and pouring out sleep from a horn in his right.

This is a Roman copy of a Greek original. Hypnos was a rare subject for sculptors, more often found in vase paintings. When he does appear, it is often in close association with the figure of Thanatos, symbolising death