Flea trap: candle and detergent
If you are molested by a flea, there is a remedy that I have learned in Portugal.
Take a flat plate, place a candle in the center of the plate (attach with wax drops), add water and add a drop of rinse (to remove the surface tension).
Before going to bed, simply light the candle and place the plate in a safe place on the floor. Lured by the heat, the beasts hop in the direction of the flame and drown.
