The OP question deals with an event that is exclusively addressing that which pertains to Jesus. The Lord of the Christians faith. It is relevant then to speak in such terms as those which further the discussion about the event.
You said:There are more
parsimonious explanations.
parsimonious -Adjective 1.characterized by or showing
parsimony; frugal or stingy.
Parsimony-noun 1.extreme or excessive economy or frugality; stinginess; niggardliness.
Allegedly a fictional story surrounding the real life substance known as zombie powder. A paralyzing substance Tetrodotoxin. The primary ingredient derived from puffer fish. Which is why Sushi restaurants that serve puffer fish have to have their chefs certified so as to prove they know how to harvest the fish safely.
The movie wasn't without its critics in matters of the zombie powder ingredients. I remember it as not so bad as a horror film.
Imagine being buried alive fully conscious but unable to move. Gads!
If we're talking about Jesus, which one may infer from the OP, we're talking three days.