I just had a very vivid dream...on the verge of lucid

The dream itself wasn't so important it is what happened upon awakening
I was actually woken up by the phone ringing, and was startled to find out I was burning up

My whole body was covered with sweat and it felt as if I was burning from the inside out
The room was cool, and I felt slightly disconnected from my body so I grounded myself. It took a few moments before I cooled off.
What could have caused this heat? An energy spike? This has happened on a few other occasions but not this intense. Anybody have any ideas as to what would cause it?
Sorry if this is in the wrong forum area