Gaining Weight in my Head

I've noticed I have different reactions to all my dreams. Sometimes, I'll just open my eyes and go right back to sleep. Other times, I might wake up and gasp for breath, or I might start sweating, or I might even have a hard time falling asleep because the image keeps coming back in my mind.
But last night was very weird and I wanted to share the experience.
Let me give you a back story first (fake names, though). So my friend, Tyler, has very hostile feelings toward someone I know, Stephanie. She keeps trying to get him serious trouble because I guess she has some sort of vendetta against him or something because she thinks he got all these people against her.
So in my dream last night, Tyler was sitting down and was in a verbal confrontation with Stephanie. They soon had their hands on each other like a fight was about to start. Tyler was now up out of his chair and was getting physical with her (no beating or anything). Finally I pulled her away from him. Tyler sat back down and buried his face in his hands. He stayed this way for 'hours' (even though it was a dream, I know it was hours).
So I woke up from that feeling dizzy, but that's normal. But my head felt really heavy, like there was about 10 lbs. of weight in my head. This was a phenomenon I've never felt before.
I told Tyler about this and he told me how 'accurate' the dream itself was. He said my head might have felt heavy because it really bothered me. The situation between him and Stephanie never made me feel like I was in the middle or anything, so I guess I was bothered by either Tyler feeling ashamed of himself or how he would try to physically hurt her (not that I'm good friends with her or anything).
Usually, my dreams teach me something new. Honestly, though, I didn't learn anything I didn't know already: the whole Tyler vs. Stephanie thing bugs me, I'm afraid it'll get out of hand, and I hate seeing Tyler get so upset at himself. However, I did learn I wake up to dreams differently (which I guess is interesting to me).