Is your high-tech ring spying on you? Oura Ring 5 users are waking up to a privacy nightmare, and it’s about to hit your wallet. New reports reveal that the latest health-tracking device is automatically sharing your sleep, stress, and heart data with third-party apps without asking—and some users are seeing $50 monthly subscription fees for features they thought were free. If you own an Oura Ring 5, check your bank statements now, because your most intimate health secrets might be for sale while you’re charged to keep them private.