Alright,
Last night I was trying to go to sleep and I had this weird tingling feeling all threw my body. A few moments be fore I opened my eyes I had colors swirling behind them... As in I was seeing colors without my eyes actually opened. I saw White, Blue, Purple, and pink. When I actually opened my eyes there was this black shadow thing above me. I don't know were it came from but as I stared at it I realized that it had this red energy about it. Its eyes were red but its eyes where not always there.
I wondered if turning on my lamp would make it go away so I tried it. The shadow rushed to my vent and stared at me. As I stared back I noticed that the red energy thing that was around it was sort of shooting at me, but as it got real close it disappeared.
So I turned off my light and it went right back to hovering over me. The only difference was instead of staying in the same place it started to move around. I fallowed it with my eyes an then everything got darker than it was before and the shadow came at me and that's all I remember.
I woke up this morning completely exhausted and my stomach was bothering me. (not sure if that's related) It really freaked me out. Any ideas as to what it actually was?
I think what has happened, as others have said, is that an entity was feeding off of your energy.
Try giving a strong command to make it leave, and maybe get a night-light!