Morpheus was the god of dreams. Hypnos (the god of sleep) was his father. Pasithea (the goddess of relaxation and rest) was his mother.
Morpheus, painted by Jean-Bernard Restout
Aurora wakes Morpheus by Bartolomeo Altomonte (1769)
Evening or Morpheus by Charles Le Brun
Morpheus appears to Alcyone. Engraving (or etching more likely) by Bauer for Ovid's Metamorphoses Book XI, 633–676.