Jeff Layman wrote:
Get a can of Johnsons House Flea Spray Extra Guard. This will deal with
the fleas and anything which hatches from their eggs. We don't have any
pets, but brought some of the unwanted guests back with us after we
stayed with some friends who keep cats. It took several weeks to
eradicate the pests!

I thought cat fleas couldn't live on human blood for a significant length
of time?