Why do I snore on my back? Positional snoring explained

What’s going on

Snoring is the sound of soft tissue at the back of your throat vibrating as air squeezes past. The narrower that space, the louder it gets.

On your back, gravity works against you. Your tongue and soft palate sag back toward your throat and narrow the airway. The American Academy of Sleep Medicine (AASM) says sleeping on your back may make you more likely to snore.

On your side, gravity no longer pulls those tissues straight back. For many people that’s enough to quiet things down.

How to tell if yours is positional

Ask a bed partner whether you’re quieter when you roll over. Or record a night on your phone and note when the snoring starts and stops.

If you snore on your back and hardly at all on your side, position is a big part of it. If you snore the same in every position, look at other causes first. The snoring pattern finder walks you through it.

Things that make back snoring worse

Alcohol relaxes your throat muscles, the AASM says, so a drink before bed adds to the problem. See snoring after drinking.

A stuffy nose and extra weight also narrow the airway, whichever way you lie. See why do I snore? for the full list.

What helps

1. Sleep on your side

Sleeping on your side Some often helps if you snore mostly on your back. The AASM encourages it for everyone who snores, along with skipping alcohol before bed.

The best research is in people with sleep apnea, not plain snoring. A 2019 Cochrane review found that keeping people off their backs reduced breathing pauses compared with doing nothing. It worked less well than CPAP.

The hard part is staying there. Most people roll onto their back without knowing it.

2. The tennis ball trick

MedlinePlus describes the classic version: sew a tennis or golf ball into the back of your sleep shirt. When you roll onto your back, the lump nudges you back to your side.

It’s free, and it can work. But one study followed people with sleep apnea who were told to try it. About two and a half years later, fewer than 1 in 10 still used it. Most who quit said it was too uncomfortable.

A softer option is a snug backpack or a body pillow wedged behind you. The goal is the same: make lying on your back awkward.

3. Bumper belts and positional pillows

The AAO-HNS lists foam or air “bumper” belts, vests and shirts that make back sleeping uncomfortable. Side-sleeping pillows that hold you in place are another route.

In one study in the Cochrane review, the most common complaints with positional devices were back and chest pain and disturbed sleep. Start with something soft and give it a week.

Our best pillow for snoring guide compares side-sleeper pillows, positional aids and wedges.

4. Vibrating position trainers

These small devices sit on your chest or the back of your neck. They buzz gently when you roll onto your back, then stop when you turn over.

A 2015 study compared the two in people with mild positional sleep apnea. The vibrating trainer and the tennis ball kept people off their backs about equally well. More people kept using the vibrating trainer: 76%, against 42% for the tennis ball.

Options are limited in the US. Philips stopped selling its NightBalance trainer in 2023. Night Shift is FDA-cleared to treat positional sleep apnea and to reduce snoring, but only with a prescription.

5. Raise your head

Raising your head and chest may help a little, whichever way you lie. The evidence for anti-snore pillows Weak is weak, and head elevation doesn’t stop you rolling onto your back. See wedge pillows and adjustable bases.

What a dentist or doctor can do

If you’re only snoring on your back and side sleeping fixes it, you may not need anything more. If it doesn’t, see how to stop snoring for the next steps.

A physician can check whether back snoring is part of positional sleep apnea. That’s when breathing pauses happen mainly on your back. A sleep test shows how much position matters for you, and whether a prescription position trainer makes sense.

A dentist trained in dental sleep medicine can fit a custom jaw-advancing mouthpiece. Jaw-advancing mouthpieces as a group Strong can reduce snoring whichever way you lie.

Is back snoring a sign of sleep apnea?

Not on its own. Plenty of people snore only on their back and have no breathing problem.

But snoring with pauses, gasping or choking deserves a check, even if it only happens on your back. So does feeling tired after a full night. Take the 2-minute “Should I get tested?” checklist.

Don’t use a position trainer to self-treat suspected sleep apnea. Sleep apnea can continue with less noise, so quieter doesn’t always mean fixed.