CreepyPasta Experiences

Is someone in my room..?

My sister has been saying someone was in bed with me, and now i believe her, but i keep waking up to someone standing in the corner of the room we share, and seeing different people standing there. For example, i'll wake up and see someone in a tan jacket standing there, or even black hoodie, just. Standing. There. It's so weird, and only happens every two to three days. Could the creepypasta's be watching me and my sister's while we sleep..?