Messages Time Out?

Is it possible to set a "dark time" when messages will store content until the dark time is over.

This would be great for not having to turn off the app to sleep regular dark time hours. The issue is with an iphone 4S used as an alarm clock backup.

My wife's brother woke her up to tell her a film she recomended was good. Niiice

Thanks everybody, have a great day of it.