First of all, you may be under a lot of pressure (including emotions) in your life, work and study recently, almost to the limit. I hope you can find out the reason carefully and adjust it in time.
If you can't catch up with the person you like in your dreams, it usually means that you are troubled. The main thing is that you care about her and like her. Then you should boldly confess in reality, pursue and care for her in reality.