imo, it involves the same concept as, say, looking at a digital clock or trying to read text in a dream. you don't just look at your hand; you try to notice any small details that there may be such as the texture of your hand and/or the wrinkles of a knuckle, etc. the aforementioned examples are usually small in nature and therefore more concentrated/convoluted than something like a big red fence. for some reason it is difficult for the mind to make out small details such as these while dreaming, thus these things become distorted/not normal, which in turn aids the mind in realizing one is dreaming. |
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