 Because of the trace little amounts of cat dander floating around in the room. Now, I have a cat, little Lucy. She's small. She's only nine pounds. Just a small cat. She's about 12 years old. You're listening to K-Talk Radio. KBJA 1640 AM. Sandy Salt Lake City and all across the Wasatch Front. She spent half the night sleeping less than a foot from my face. Nothing. Nothing.