Same for me. I feel fatigue and I have also been reflecting about that as it reminded me the same type of mind exhaust I felt when I was a manager.

Choosing, analysing, verifying, talking to others rather than thinking in a sequential and organised way.

One of the reasons I moved away of that position was this constant fatigue by the end of the day. I was happy on seeing things moving forward but it felt that it took more energy to do less