the "springs of Night", which are located in the north. Later, Apollonius of Rhodes (3rd century BC) writes in his Argonautica that the Eridanus river "ris[es] from the end of the earth, where the gates and precincts of Night are located", locating her home in the far west.

Among descriptions of Nyx in 5th century BC tragedy, Euripides, in his play Ion,