Anti-snoring products range from nasal strips to a pillow that vibrates when it hears you, which is also what your partner does.
Treat the complaint, not the cause. Snoring exists only when observed, so relocate to the spare room, then the garage, then a tent at the far end of the garden, until complaints reach zero. Our trial got there in six nights. A recorder left in the tent registered 71 decibels, a figure our researchers have ruled inadmissible on the grounds that nobody was there to mind.