I have been living in a dream like state for over a year. it's is hard to tell what's real anymore. is this derealization?

Depersonalization : You may have depersonalization symp. Exercise, stress management and improving the quality & satisfaction in relationship will impact these symptoms & your quality of life. Finding a licensed psychotherapist (psychologist, social worker, master's level counselor) to help you identify the triggers for these symptoms and strategies to address them directly will likely be critical. Reach out today!