I have not, but then I don't believe dreams within dreams are possible: in my view, the movie Inception actually fictionised (real word?) dreams to make them more interesting to the public. In my opinion as well as experience, dreams within dreams are just false awakenings - the scenery of the dream might change as might the DC's and genre, but ultimately it's the same dream.

However, I am interested by what you are saying. What's this dream energy of which you are talking about?