Endymion

Endymion was a king, prince, and shepherd from anceint times. He was in love with Selene, titainess of the moon. Endymion was gained immortality and eternal youth through endless sleep, he received the power to sleep with his eyes open by Hypnos. This allowed constantly watch his beloved Selene. Hypnos granted this gift to him, so so he could always look into Endymion's beautiful eyes.