As far as I know there are no disadvantages, even when you are really trained only a fraction of your dreams will be lucid dreams. By the way, if you are reall

As far as I know there are no disadvantages, even when you are really trained only a fraction of your dreams will be lucid dreams. By the way, if you are really interested in this subject take a look at the open book here: http://en.wikibooks.org/wiki/Lucid_Dreaming http://en.wikibooks.org/wiki/Lucid_Dreaming (I have submitted this before to HN but it never hit the front page)