Hemen is mentioned in a limited number of inscriptions and texts. Some of these include:
Ankhtifi, a monarch dated to the first intermediate period, is shown inspecting a fleet, killing a hippopotamus in Hefat during festivities and offering the hippopotamus to Hemen.
The chief sculptor Userhat who lived at the end of the 18th dyansty / beginning 19th dynasty mentions "causing cult statues to rest in their shrine". Hemen of Hefat is one of the gods listed among those Userhat was responsible for.
In the 22nd dynasty Hemen of Hefat is mentioned as an oracle. A man named Ikeni appears before Hemen in Hefat and the god says "Ikeni is right! He paid (etc.)"..
Taharqa is shown before the god Hemen in a statue which is now in the Louvre.
In ca 300 BCE Hemen's cult is still active as attested by an inscription of an official named Hornefer.