Wow!!! I sure wouldn't like any of my cats bringing me a live mouse and dropping it on my bed. Lately Ziggy has alerted me about spiders. She'll open up her eyes very wide and just stare at the ceiling. One was just above my bed and the other one was in the dining room. I was able to kill both of them quickly and they were both fairly large for spiders. The only things I want to live in my home are me and the cats.