Many people have lucid dreams where they feel as if they are in reality. So at what point does the brain truly know what is real and what is imagined? Is there a certainty or absoulute proof of reality or could we all just be living in a dream?
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Thank you for your answer Amber Vyn and I agree with you about going on a little adventure in your dream. And that Euro from Greece is very interesting that it winks at you :) Wow! Do you dream alot and remember them?