Why was there a doggy door anyway??

Date: 6/12/2016

So this dream happens a long time ago but I can still remember parts of it. So there were...like monsters of some kind around a camp cabin I was in. I was in bed but still scared. I was kind of next to a door. I could see the monsters running around outside, so I was watching them to beware either that or I was a asleep (in the dream) when I saw I monster hand reaching for my legs through the doggy door! A doggy door!!!!! Why was there one anyway??? Anywho, I scrunched up against the wall (I was still in bed. I sat up in bed and moved me legs closer to myself) and I was breathing hard and/or sweating. I don't remember. Anyway like right before the monster got closer enough I woke up breathing hard (idk if I was sweating) and sitting up with my legs as close to me as possible. It was so scary at the time!! that dang doggy door.