
Alisha
I get these too, especially after a very exhausting session, or time when I have been triggered. My body and mind both feel completely exhausted, and no matter if I sleep or not I am exhausted often, because I have been dreaming and wakeful all night.
I am finally learning that it is ok, sometimes, to just sit and do absolutely nothing. I may watch a film that makes me laugh, or spend some time in my vege garden, or read a book......and sometimes I just can't help it but pass out on the sofa for a nap. It is ok. But like you I do still struggle with the whole keeping on going and doing stuff even when exhausted.
Try to be kind to yourself, and do something you enjoy.