If Things that make up my Life Disappeared

I recently had a dream that gave me shivers and goosebumps as I woke up. There weren't any scary, bloody little girls or zombies crawling to get to my brain.

It was simply this:

Things that existed in my life ceased to exist.

Just like that.

One by one, everything that made up my life started to disappear.
My pencil case disappeared.
My books disappeared.
My notebooks, backpack, laptop, desk.
My friends disappeared, as if they had never been born.
My family disappeared.
I was freaked out, because nobody else noticed it.

And then, I disappeared. I watched myself disappear. I became part of the air, and all I could do is watch everything else slowly continue to disappear.

Is this what happens when you graduate high school? Everything, everyone you knew - do they go away?