Welcome to Connect, @remsen. It can take time to recover from brain surgery. members talk about life after brain surgery here:
- Life after Brain surgery https://connect.mayoclinic.org/discussion/life-after-brain-surgery/

Remsen, you say that you have bouts of tiredness. Have you noticed any particular pattern? When are you most affected by the fatigue? Have you found tricks to help manage and/or prevent the tiredness?