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We still do not know the reason for our dreams, right?
Recently I have been pondering on this topic and what I think the reason could be is that there is some sort of mental conscious level required at all times of our living whether it be when woken up or when asleep.When we are sleeping there is a possibility that the mental conscious level required may be falling down and so our brain to not to let that happen makes some weird images mostly taken from our remembrances of our daily life and show us in a story form so our mental level required is always  there.This would explain for the fact that we do not dream everyday and our dreams at times are absurd, I mean does not make any sense.

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