Back to the original post -- reality is essentially what we know. Though reality is EVERYTHING to us, it likely isn't everything, since our concept of reality has this nasty habit or growing and expanding and changing.
It's real that you thought you heard the alarm. What's important here? If the machinery worked, or if the alarm's existence got you out of bed? Aren't they one and the same? I think that for all practical purposes, they are the same.
About QM -- I think a great part of QM is seeing reality in dimensions that for now exist only in our heads (as far as we know). It's that delicious part of science that borders on philosophy, where what we measure blends into what exists primarily in our thoughts.
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less I say, smarter I am
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