Just ask to move to a different room. You don't really need to say why. Make up any reason. The hotel will help you.

By the way, you may or may not need a CPAP. While most sleep apnea sufferers snore, most people who snore don't have sleep apnea. Snoring MAY be a sign of sleep apnea, but there are plenty of people who saw away all night. A long period of uninterrupted snoring would likely mean that you do not have sleep apnea. You just snore.

There are treatment options from basic to severe. The easiest thing usually is to lose weight. For most people that helps or fixes the problem. There are more serious ways of addressing it including surgery, but any surgery brings with it problems.

The OP should take an online sleep apnea test and see how he/she does. Then follow up with your GP or make an appointment with a sleep doctor. This is VERY important to your long term health.