mentholated spirits on some wool is an idea.

Add your favorite children's mentholated vaporizer solution to the reservoir and switch on the unit.

The mentholated steam will have an effect similar to the shower sauna treatment, and it may just help your dog rest easier through the night.

Some parents routinely apply a thin layer of A & D ointment, petroleum jelly, or a mentholated salve around their children's noses at night as well as when they go outside.