Yes I had rt/ht as my primary treatment. RT finished Dec 2016 HT finished June 2018 (had 2 yrs of abiraterone,enzalutimide,prednisone via stampede and experienced same tiredness.
I was completely tired/fatigued said to be more to do with HT. Think I am now seeing effects ease just a bit - not coming quick enough obviously but accept reasons. Did do some exercise throughout but very little really now trying to increase gym work etc.
Aches and pains, sleep issues, body hair etc getting a bit better. Still have a slight bowel problem prob due to RT damage, that's actually getting checked out tomorrow via colonoscopy.
Think we all suffer the tiredness, probably unavoidable isn't it.