From my experience with really vivid dreams - I am sometimes amazed by the level of their detail, and sometimes I have the feeling as if the last day was a couple of hours longer than 24 hours long. It's a weird feeling to describe - like you've experienced more than can be possible for such a short time. But this feeling is in retrospect, and when I (truly) wake up from such dreams I always know that I'm awake, especially if there is a lot to recall. 
In non lucid dreams, of course I think that what's happening is real. This includes many false awakening; some of them follow very vivid dreams and I can literally spend an entire dream recording the previous one. However, if I have the tinniest bit of awareness in a dream it will usually grow with time, so assuming I'm not about to wake up soon, I'll become lucid and from there the distinction between dream and reality is very clear. Sometimes my focus can drift away and I can lose lucidity too - but if I think something like "is this reality or dream?", I'll usually re-realize it's a dream. I did have several lucids in which the realism was so amazing it was hard to believe it's a dream, but still, because you're lucid you just know that it is a dream even if nothing seems off.
About confusing real life as a dream - I can't think of any instances of that sort, not during the day at least... I think occasionally during real awakenings I can sometimes not be sure if it's a dream or not, but I think it's pretty normal considering this only happens when I'm still sleepy and usually around or after a chain of dreams that many of them are FAs. Imagine waking up for the 10th time, the last 9 being FAs or DEILDs - at that point it's nearly certain that it will be hard at first to decide if it's yet another dream. Other than this kind of confusion, I don't think I ever truly thought it's a dream in real life. However, I do try to recall that "dream feeling" during my RC / awareness instances during the day - I think I actually can feel that same feeling by recalling it, but this doesn't mean I suddenly think it's a dream. Essentially, what I mean is - do you just feel that dream feeling during the day (which is normal, at least to me) or do you actually need to stop and think "is this real?" - because these are two different things.
Another similar phenomenon that I experience as a result of vivid dreaming that might be relevant, is the occasional episode of sudden, intense, but short deja vu. By that I mean, for example, when training outside I can suddenly feel like I've been there before and done exactly that (it feels just like a real deja vu), only to then realize that I recall doing that from a dream, not real life. These instances can get very specific for me - like one time I was fixing the electricity at home, and suddenly had a deja vu about being electrocuted while fixing that exact wiring. After feeling that I quickly remembered that it happened in a dream, not in real life (because some nights before I was thinking that I'll need to fix it eventually, so it ended up as the plot of a dream), I of course relaxed - but it's like a reflex, while it's happening you don't need to think about it. To the best of my knowledge, and based on other dreamers, it appears to be a normal side effect of vivid dreams. Plus, there is no real confusion between dream and reality, apart from that momentary involuntary deja vu feeling - but I thought I'd point this out nonetheless since it seems relevant.
|
|
Bookmarks