The son of Nyx

• (Greek mythology) the Greek god of sleep
• Greek god with reportedly cool sense of smell for the most part
• God of sleep
• Greek god of sleep

Wikipedia Word definitions in Wikipedia
Hypnos is the personification of sleep in Greek mythology. Hypnos may also refer to: Hypnos (genus) , a genus of electric rays in the family Torpedinidae "Hypnos" (short story) , a short story by H. P. Lovecraft Hypno , a Pokémon Hypnos T-type Tyrant, an ...