I haven't had a stroke but I did get a nasty tropical mono when I was young. You never quite recover from that one. I've got ibs since. My stomach just gets tired and stops. My mental focus feels the same. I sleep 9 hours a night, often 10 and I'm still tired.
I feel I always have less stamina than other people.
So this list is close to what I have always preached.
Time as in energy is my most precious resource.
Don't let processes suck the life out of you. They're there to serve the people not the other way around.
Gut directed hypnotherapy has worked wonders for my IBS. The research on it is really solid and was recommended to me by a registered dietician. The one I followed is called Nerva. Might be worth a try for you.