What do you think it means (or know it means) when living people enter your dreams on a nightly basis?

Im going to call them nightmares, but my mother has been in them every night this week. I wake and am upset by them. I eventually go back to sleep and the dreams/nightmares continue.
Its really starting to affect me, I want her out of my life, have removed all communcation with her, and now shes there when I sleep. Im starting to feel like I cannot escape her, and I just want to sleep...

Any thoughts?