>>8 Oh come on. A corpse is no more nothingness (in the sense of the question) than a living thing.
Nothingness itself is incoherent: it is that which is not. If there ever were a state of true nothingness, a state with no spacetime or causality or laws of physics or any of the rest of it- what then?
With no conservation laws, say, what is to prevent the universe from springing into existence?