According to midrashic literature,
Adam's first wife was not Eve but a woman named Lilith,
who was created in the first Genesis account.
Only when Lilith rebelled and abandoned Adam did God create Eve.
The conflict arose because Adam, as a way of asserting his
authority over Lilith, insisted that she lie beneath him
during sexual intercourse.
Lilith, however, considering herself to be Adam's equal, refused,
and after pronouncing the Ineffable Name flew off into the air...