[jellybean]

Nothing was missing — including the Hargons' vehicles, money, guns and jewelry — from the rural, one-story home.

From here: Clues Sought in Family's Disappearance

But there was no sign of robbery or forced entry. Rebecca Hargon's wedding and engagement rings were left behind. Dirty dishes were left in the sink. The family's three vehicles have been accounted for.

Why would she leave her wedding and engagement rings behind?

[Ceoman]

Some women take their rings off (all jewelry) at night when they sleep.