Does anybody remember the saying...?

Question

It says something about a famous woman in history who slept with a horse and I think it says something about the horse falling on her or something like that?

Answer 1

is it dont sleep with a horse cause it can fall on you like that woman?

Answer 2

catherine II of russia was supposidly crushed by a horse while trying to have s*x with it

Answer 3

i think it was little miss muffet the the tuffet fell on her