To diagnose a snoring condition, there is nothing special one must do. The symptoms are too visible and obvious when the disorder takes place: the partner will simply hear it. The patients usually have no idea they are snoring as they are asleep, deep asleep. Still, it is better to visit health care professional to prevent possible sleep apnea. He will review the full medical history to define the exact causes and potential outcomes. You will run a physical exam to diagnose the disorder.