Ha ha, ok, it's like a tire. Except it's made out of a slightly different material, but it's basically the same shape and such.
I rarely ever have someone wake me up in the middle of a dream. But it has happened a couple times.
Have you ever experienced where you have like a really depressing dream and then you feel out of sorts all day, or you have a happy dream and you feel inexplicably happy all day? That's interesting.