The resume function may only be for a temporary halt, not till next day.
Make them all in one go. If a verify option is available, use it.
Note that optical discs, as well as the hard drive recovery partition, can be corrupted with time.
While you can only make one set of Manufacturer's Factory Recovery Discs, there is nothing to stop you cloning the 1st set for belt and braces peace of mind.
If you have an external hard drive, you can also make System Images (with a Boot CD) of the current state of your system and everything on it, including Windows.
This means that the Factory Recovery discs really are only needed as an absolute last resort.
Easeus Todo backup is one suitable app.