Originally Posted by
LightofHeaven
That's an interesting idea, one that I have never touched upon.
Although sometimes when I'm in that transitional state between unconsciousness and lucidity I can smell and hear the environment I am going to become lucid in. (For example, I was able to smell the aroma of flowers and hear the sound of birds before I became lucid in a grassy meadow.)
Becoming lucid is almost entirely about identifying dream-like elements, so if you can do so through smell/taste then there's no reason why you can not become lucid through those means.