I know it's happened to me on more than one occasion, but the one that really stands out is my stuffed rabbit that I had when I was a kid. It was really torn up and sewed up in multiple places because I slept with it EVERY single night. Heavy use, whatever. Anyway, I named it "Woo" because I couldn't say "Woobie" at the time, my parents told me that was from some movie, only that was what the kid named his blanket or something. Anyway I dreamed that I explored our attic and found 100's of "Woo's," and the next day when I mentioned that to my mom, she told me that "Woo" actually had been replaced once because he was so torn up, lol.
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Most of my dreams are of a terribly surrealistic nature, it's almost kind of creepy. I need to start recognizing those small things that give it the surrealistic nature so I can try to engage in lucid dreaming

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I do get HEAVY feeling of deja vu, normally with any major (and sometimes minor) events in my life. My Uncle dying, going to Cedar Point, coming to college, etc. Anything where emotions run high screws with my mind.
Jam it back in, in the dark.