You say you are more productive than ever. Is it possible that you are actually a "lark" and that you forced yourself to stay up late, because of social pressur

You say you are more productive than ever. Is it possible that you are actually a "lark" and that you forced yourself to stay up late, because of social pressure or simply because that is when you were able to do the things you wanted to do, but now you have found your preferred sleeping schedule?