^^ I'm going to say something odd here that might go straight to what I'm failing to communicate; I hope you'll bear with me...
It seems that you are saying that sleep and unconsciousness are the same thing. They are not. I may be wrong, but I believe even the medical community terms sleep and unconsciousness as two different things.
Dreaming may happen when you are asleep, but that does not mean that it happens while you are unconscious. Unconsciousness -- literally the lack of consciousness -- probably only occurs during NREM (and maybe not even then, as we learn more about delta sleep). Conscious activity is present throughout REM, simply by the fact that your mind is responding to stimuli being presented in your dreams, and doing so with a DC "you" that is sure it is awake and functioning in the real world.
Also, your consciousness is present, albeit in a very primitive way, during most of the night's sleep in the sense that you can be woken up by alarms, bright light, people's voices, even smells (all part of our innate defense mechanisms that alert us to danger). So even your physical body is to some degree conscious when you are sleeping -- this, BTW, does not tend to happen when you are, say, knocked unconscious.
So, because it really is not literally unconsciousness (even though it seems like it at a glance), sleep can certainly contain consciousness.
Bottom line here is that sleep does not equal unconsciousness; it equals not being awake. Now:
Hopefully I can be more clear with a couple of quick direct responses:
 Originally Posted by Goldenspark
I'm not sure I agree with what you said that, "Normal consciousness is functioning during NLD's because our dream body selves are aware of their surroundings during dreams -- we just don't understand the nature of those surroundings at the time, due to a lack of self-awareness and access to memory."
I would say the lack of self-awareness and access to memory is part of being unconscious, so how can normal consciousness be functioning?
Yes, the lack of self-awareness and memory are certainly part of being unconscious, just as they are both part of regular non-lucid dreaming. But normal consciousness can also be present without self-awareness or memory.
As you said, there are levels of consciousness, and the one present in your dreams is a level that does not include self-awareness or access to memory. But during a dream it does include other conscious activities, like reacting to stimuli, being aware that "I am here" -- even though that awareness is incorrect, because you don't have memory to confirm that "here" did not exist a few minutes ago -- and being able to choose things like where to go and what to say. Yes, it is your DC body that is doing all these things, but it still you trapped, unawares, within that body, and you feel at the time that you are making decisions, solving problems, and truly experiencing reality.
This version of normal consciousness is very much like the consciousness we use as a default as we move through our waking-life day on autopilot, which also occurs without any self-awareness. The only difference is that when we are awake we have memories we can tap to confirm that things are the way they are supposed to be, and to keep us from doing things like assuming dead people are alive, and helps us maintain a greater sense of identity, because all of the facts of our past are in order and available for reference.
I suppose I'm saying that because consciousness and self-awareness are not binary states, but have a spectrum of degree, there can be some level of consciousness or self-awareness, but that for someone in a NLD, there is usually very little evidence of consciousness either externally or internally, and that the level of consciousness can be raised significantly by either waking, better remembering the dream (vivid) or becoming lucid, QED the level of consciousness was not normal.
Yes, of course the level of conscious would be raised by becoming lucid, but the level of consciousness involved in lucidity is well above the level of normal consciousness. And yes, the level of consciousness in a NLD does increase a bit by waking up, because upon waking memory is back in the formula (which I think is where this all started), but I would argue it is still in the "normal" range; the act of recalling a dream might be a higher level because it might involve some self-awareness, but still close to normal. So, for me the QED does not work, because consciousness involved in dreaming is not much different than that used upon waking, unless self-awareness is added to the picture.
Also, yes, at first glance there is very little evidence of consciousness from an outside observer. At first glance.
But look a bit deeper. Watch a sleeper while she is dreaming: she might move a bit, maybe mumble, moan, or even speak clearly. She might change her facial expressions, and of course her eyes are moving. In fact, the only thing that makes her seem unconscious at all is the fact that her eyes are closed and she isn't walking around. On top of that, I believe also that testing has shown that brain activity during dreams is very similar to waking-state brain activity (exactly the same during LD's, but that doesn't matter here), so even science has gathered some evidence of consciousness during dreams as well.
Of course, the one place where your QED works is the bit you did not mention: consciousness in dreams may be very close to normal in observable, measurable ways, but it stills falls just shy of being totally normal because access to memory -- and the ordering and identity facilities it provides -- is missing. So that to me places consciousness during NLD's on the low end of the "normal consciousness" spectrum; but still normal.
Bottom line: if you allow the level of normal consciousness to have a bit of a spread (but not much) that includes waking-life autopilot, it would seem that consciousness in dreams is pretty much normal, but without the ordering influence of memory.
That just means that snapping from auto-pilot to self-aware like we do in waking life is probably more difficult when dreaming, and so could be a reason why WL awareness exercises might not translate into the dream state so well for some.
That is very true, though I would argue that most folks have about as much trouble snapping to self-awareness in waking-life as well!
Even more true: I do not believe that awareness exercises like ADA do much of anything to boost consistent lucidity. Indeed, I have argued in the past that ADA might be bad for lucidity, because it makes the wrong things important and tends to ignore self-awareness. However, if you are able to develop during waking-life a sense of self-awareness that is present without really needing to summon it (therefore no snapping) by remembering to do so, that sense might just be available during a dream (when memory is not available to summon it).
tl;dr: From a consciousness perspective, sleep -- especially during the REM period -- does not equal unconsciousness. This might seem counter intuitive, but I believe it is the case, and I hope you will consider it.
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