Snoring roommate wants to live together again

DEAR HARRIETTE: How do I go about telling my roommate that I no longer want to room with her because she snores too loudly? Our apartment lease is almost up, and we need to decide if we want to live together again and renew it. She told me she definitely wants to room together again because I was such a great roommate. She was, too. She does a really good job at cleaning up after herself and respe…