Sorry to add another notification for you, but yeah, humans aren't necessarily "more evolved" than other animals, just differently evolved. Most animals that go through heat also absorb their unused uterine lining if they don't get pregnant, so in that case, it is often selected for, since it doesn't waste the same resources periods do. (Also, there are some animals who go through periods and not heats, like elephants and bats)
No need to be sorry, it just gave off the feeling you were linking heats with human's superiority to other animals. Idk if that is what you really meant or not, but that's why i thought it was worth correcting it.
And the heats in omegaverse are so stupid anyway, complete nonsense for the sake of drama, rape and wonanizing the ukes. It's not like the authors actually tries to make it look like real heats.
Is going into heat an actual thing, ive seen it in a lot of the animal Characteristics manga and also the alpha and omega oneS but Is it an actual thing