When I was in school I had epiphanies or "click" moments on several occasions either while I slept or while I was at the gym staring off into space and lifting

When I was in school I had epiphanies or "click" moments on several occasions either while I slept or while I was at the gym staring off into space and lifting weights with no other thoughts in my head. So from my personal experiences I do think that our unconscious mind works at some level solving problems.