From what you said in other posts such as the one below:
it’s most likely fatigue but something like Ensure might give you a bit of boost, stroke recover burns a lot of nutrients and may not be taking in enough despite what your diet is like. But as @Mrs5K says, have a word with your GP first to be sure there’s nothing untoward going on. Suggest they test your nutrient levels as you could be lacking in something like Iron, B12 or such. That would also present similar symptoms to what you are experiencing.
Boredom could also be a reason if you are not getting out very much! Are there any local groups you could attend such as stroke groups or AgeUK. I go to a strength & balance class for the over 50’s run by AgeUK and that’s held at our local church hall, you can find these on the internet local to you.
Lorraine