Apparently if you construct a house from scratch, and try to craft a makeshift bed under one of your roofed portions, it’ll eat the roof above it. If you try to make a roof over the bed, it’ll eat the bed. Kind of a problem if you want to sleep on your bed in the rain.
Get a rollmat
By the way, admins Devs, fix this
get a cot. or a semi.
Fixed in local copy.