From Longman Dictionary of Contemporary Englishnot feel yourselfnot feel yourselfspokenILL to not feel as healthy or happy as usualI don’t know what’s wrong. I just don’t feel quite myself. →feel
Examples from the Corpus
not feel yourself• I just haven't been feeling myself lately.• He had not felt himself a part of what governments decided.• He had not felt himselfbound by their rules - basically, he hadn't felt himself.