I have a 2 person tent, fits me and 2 collies but I'm only 5'
They have dog robes to put on if they are wet to dry them off, an old camping mat to lie on, though Moss usually uses the end of my sleeping bag. Zena does get bothered by midges, do have a neem spray to use which seems to keep some of them away but she's clearly just too tempting to them, they don't bother me or Moss anywhere near as much! Some of the flea and tick treatments are supposed to repel biting insects.