The usual answer is that while dreaming, you're reliving the events of the day, while your subconscious forms associations and decides what you ought to remember and can safely forget.
Those dreams that you do remember can seem jumbled because your conscious mind is not often privy to what your subconscious is doing, nor how it likes to organize your thoughts and memories.
when they are dreaming
You move in your sleep according to what you're dreaming about
REM
They are dreaming
Yes ;)
Yes, when you enter REM sleep, (REM= rapid eye movement), this is when you are dreaming, your eyes move just as if you were looking at what you are dreaming about
It's sleep talk/laugh. Some people just tend to be really connective while dreaming.
No because you daydream with your eyes open and sleep with your eyes closed
True.
by closing its eyes and dreaming :)
She is probably just dreaming. == == == == == ==
you may have. sleep walking is caused by actally dreaming of something you like or hate