It's normal once in a while. I sometimes have such dreams.
Boys especially like watching martial arts movies and novels. It's normal to have such dreams. The so-called "thinking day and night".
But if it happens frequently, it is not normal. I think it's because you're too nervous.
To. Need to relieve their psychological pressure. Before going to bed, you can take a hot bath, listen to some soothing music, close your eyes and meditate: Tell yourself that you must relax today.
For classic knowledge:
Duke Zhou believes that dreaming of conflict with others will actually be carefree.
You need not worry too much.