Washington, July 19 -- Actor Jim Parsons recently opened up about the difficult phase he went through during the peak success of 'The Big Bang Theory,' saying he was "miserable" despite being part of one of television's biggest shows.

According to Variety, Parsons, while speaking on the All Out with Jon Dean podcast, shared that while the sitcom brought him fame and success, he was struggling with stress and was not truly happy during that time.

Looking back at those years, Parsons said, "I look back now and realize that there were many ways, at some of the best moments of my life, I was miserable. I was not happy. I was stressed."

He added that he constantly felt the pressure of handling everything around him and believed the good thi...