Something like that. I haven't been put in a position like that, so I couldn't say for sure, but it's just as likely that we just... faint. Like the Pokémon.

[Another shrug, and he idly starts fidgeting with a Pokéball.]

Some people have died before, but nobody knows how, and nobody's been able to recreate the incidents. The only proof it even happens are the ghosts of dead people turned Pokémon.