Nyx was born directly from Chaos, the protogenos of the lower air and eldest of the immortals. She married her brother, Erebus, the Primordial god of depth and darkness, and together they had many children. Once, her son Hypnos angered Zeus by putting him to sleep under Hera's orders so she could shower his son Hercules with misfortune while Zeus was asleep. Zeus found out about his involvement and chased Hypnos who quickly fled to his mother, Nyx, whom Zeus obviously respected enough that he held his anger at bay, not wishing to offend the great goddess. Another myth is that Nyx's daughter, Hemera (Day) left Tartarus when Nyx entered it, creating night and day. According to some Greek articles, Chaos did not exist and Nyx was the first divine Entity, promoting her power and importance eve