Lucid dreaming is the only one mentioned where concsiousness is required. If you're concsious you're better able to remember things. Then again if you have trained your mind to remember dreams it may be easier to remember the whole experience of a normal dream as a pose to a LCD. If you're adept enough at astral projection, again you're more conscious, more able to recognize whats going on and thus able to make better concrete memory. But one does not need to be conscious to AP alone.
--------------------
|