[Snake]

The game re-breaks into 4-step-teleport framerate that can only be fixed with a daemon reboot, in approximately *insert the time of

Adjusted - Before saving a house file, the game will, at the first save of the day, create a temporary backup file of that file. (This is mainly a temporary preventation measure to help deal with any houses that fail to save and load properly, while I investigate the cause.)

here* or roughly 40-60 and a little more minutes after Dream Daemon starts.

PS: It might be that what's causing this. Might. I can't know if that's the cause because the game doesn't alert when they're saving the houses. And what's funny is that at the Beta Server, while you were hosting. We /never/ had this going on.
If that's not it, then someone must be doing something that causes the game to behave like this.