You should have a healthy weight and diet and you should consult a doctor as well. Avoiding alcohol before sleeping and quitting smoking can help you plus sleep on your side to avoid snoring and keep your nasal passages clear.

Long interruptions while sleeping, frequent waking while sleeping, day-time sleeping, fatigue, strain on the heart, low … Read more

There are many things you can try on your own, such as changing your sleep position, avoiding alcohol, etc.

http://www.webmd.com/sleep-disorders/features/easy-snoring-remedies

My husband has great success with nasal strips.  If none of these work, see your doctor for a diagnosis.  Sleep apnea can cause serious health consequences.