I haven't experienced it myself, but I know of a few people who have.

[ Snake hasn't gathered too many details on how it all works, but that's probably because it's mainly a mystery even to those who go through the revival process.

He studies Raiden for a few seconds, then narrow his eyes. ] Don't see this as an excuse to be reckless. There's gotta be a catch. [ Nothing that significant comes without a price, Snake's just waiting for the other shoe to drop. ]