Utanapishti and Gilgamesh

Gilgamesh tried to stay awake for six days and seven nights. Utanapishti told the king of a plant that could restore one's youth. Gilgamesh dove deep into the ocean and found it. But as they made their way back to Uruk, Gilgamesh was bathing in the cool water. A snake caught the scent of the plant,. emerged, seized the plant, and vanished.