that’s not how that works, we cant regrow (most) vital organs (liver says hi) because of “engineering problems” not because evolution is random. we personify adaptations to understand them, it can lead to issues but yours is a massive overcorrection.

you’ve got it. the period of the sun up/sun down cycle would be the orbital period.

“Why would a society bring people back to life when they [describes why you think they deserve to die]”

Happy to know you’re not going to be solely responsible for bringing them back!