Cuddles in particular loves to sleep on top of me. I am a "stomach sleeper," can't sleep any other way, so she "cuddles" on my back, lol.

Sparkle LOVES mint toothpaste, maybe that is what your cat is sniffing in the evening? Not that tshe likes to eat it, she tried it, decided it was "yucky." But she LOVES the mint smell, ha haa.