Of all the posts to follow, you give a very informative guide to how REM works, and i use the words "dream mode"

Erm, actually thats a good question, I would of thought it was the same phenomena as you're still falling asleep even if you've woke up just before.

Quote Originally Posted by http://www.google.co.uk/search?hl=en&q=define%3Ahypnogogia&meta=
Hypnogogia, also spelled Hypnagogia; and Hypnopompia, are the names of experiences a person can go through when falling asleep in the case of hypnogogia, or waking up, in the case of hypnopompia. When in a hypnogogic or hypnopompic state a person can have lifelike auditory, visual, or tactile hallucinations (known as hypnogogic hallucinations), perhaps even accompanied by full body paralysis. ...
But i suppose there might be a difference as on a night you may not be falling directly into a dream as such... Who knows.. Either way your advice still works

Edit:
but Sammii said s/he was already asleep
Ahh didnt notice that, i took it as s/he was falling asleep :\