Sleep paralysis...

[travisstorma]

Yes! I was on a business trip in Boston and was having dreams about a ghost in the room. I woke up and couldn't get out of bed. It scared the s*** out of me. When I finally could get up, I looked and researched it and found it was a common thing...

I can go without reliving that.

 

[ratski]

Had it happen a few times long time ago.

The technical term for it, I think, is a REM sleep disorder (if it occurs frequently)

Essentially, during REM sleep your body is paralyzed so you can't/won't act out/on your dreams. For some reason, we awaken while in REM stage to consciousness but the body is still immobilized.

 

[bigchuck83]

Happens to me from time to time. odd feeling for sure.

 

[MacFromOK]

Yeah... ya feel like yer awake, ya can see stuff in the room, but can't move. I usually think there's an intruder in the house when it happens, and can't fully wake up.

Definitely not pleasant. :/