I don't snore, though I kinda mumble in my sleep, so I'm told. Sleeping problems are pretty common in my family. Both my cousin and my sister talk in their sleep. My cousin was over to my house for some weekend years ago, and while I was talking with my mother by the computer in the living room, he, while asleep on the couch, sat up, and started talking. He was having a whole conversation, but none of it made sense. He said stuff like "I should call my mother", and we responded, thinking he was actually awake, with "but it's 2:30, call her tomorrow". He went on for a few more sentences, then he fell back down, and my mother and I were just really confused. We told him the next morning, and he laughed, he didn't think he did anything like that.
My sister doesn't so much talk, as say any words really loud. Kinda makes it hard to sleep sometimes.
Oh, and I forgot that my father has pretty bad Sleep Apnea. That, and cronic heartburn while he sleeps make it so when he's asleep, he's either snoring, moaning, or not breathing.