Tongue snoring is one of those phrases that sounds like a diagnosis. Search for it and you will find self tests, special devices and confident claims that your tongue is the culprit.
There is something real behind it. The back of the tongue can fall towards the throat during sleep and narrow the airway, and some treatments work by pulling it forward. But the research on where snoring comes from is more tangled than the online version, and telling tongue snoring apart from other kinds at home is harder than it looks.
Here is what is known about tongue base snoring, how people try to identify it, why it gets worse on your back, and what actually helps.
What Tongue Snoring Actually Is
Snoring is vibration. As you breathe in during sleep, air moves through a floppy, narrowed airway and sets soft tissue fluttering.
Most of the time the vibrating tissue is the soft palate, the soft back part of the roof of the mouth, along with the uvula that hangs from it. "Tongue snoring" refers to the back of the tongue, the part that curves down into the throat behind the mouth. When the muscles holding it forward relax in sleep, it can drop back, narrow the space behind it, and vibrate or press against the throat walls.
Clinicians usually describe the airway in levels: the palate, the side walls of the throat (the oropharynx), the tongue base, and the epiglottis or lower throat. Tongue snoring simply means the tongue base level is involved.
That framing matters, because it shows tongue snoring is a location, not a separate condition. The same narrowing at the tongue base can produce simple snoring in one person and obstructive sleep apnoea in another.
The Tongue Rarely Works Alone
The clearest picture of where airways collapse comes from drug-induced sleep endoscopy, in which the patient is sedated into a sleep-like state and a specialist looks at the airway with a thin flexible camera.
A 2014 study in The Laryngoscope reported these examinations in 1,249 people with sleep-disordered breathing, with an average age of 47. The results put the tongue in context.
The palate is the commonest site. Palatal collapse was seen in 81 percent of patients, more than any other level.
Most people collapse at more than one level. Multilevel collapse was found in 68.2 percent.
The tongue usually shares the blame. The most frequent multilevel pattern was the palate and tongue base together, in 25.5 percent of all patients.
Collapse at several levels, and complete collapse, became more common as sleep apnoea became more severe and in people who were obese.
So when someone says their snoring is "tongue snoring", the more accurate statement for most people is that the tongue may be one of the places involved. That is not just pedantry. It explains why a treatment aimed at one level often helps partly rather than completely.
How People Try to Tell
There is no reliable home test for tongue snoring. There are clues, and it is worth knowing how much weight each can bear.
The tongue self check. A popular online test asks you to stick your tongue out, hold it gently between your teeth and try to make a snoring sound. If the sound is quieter with the tongue held forward, the tongue is blamed. It is a reasonable bit of logic, but we could not find any study testing it against what endoscopy shows, and making a snoring noise while awake is not the same as snoring asleep. Treat it as a hint at most.
The pitch of the snore. A small study from Manchester, published in Clinical Otolaryngology in 2002, analysed the sound of snores while noting where the vibration came from. Palatal snores had a median peak frequency of 137 Hz, a low flutter. Tongue base snores peaked much higher, at 1,243 Hz, though that figure came from only 10 snore samples. Snores from the palate and tongue together sat at 190 Hz. The study was tiny, and it also found that snores induced under sedation contained higher frequency sound not evident during natural sleep, so it is a long way from a test you can run on a phone recording.
The position pattern. Snoring that is much worse on your back and much better on your side fits a tongue contribution, as the next section explains. But the palate is affected by position too, so this clue is suggestive rather than specific.
Sleep endoscopy. The only way to see where your airway collapses is to look. Drug-induced sleep endoscopy is a specialist test carried out under sedation, and in the studies here it was used in people being assessed for sleep-disordered breathing. Even this has a caveat: the Manchester study concluded that sleep nasendoscopy may not accurately reflect natural snoring.
In practice, most people work it out by trial: trying a treatment aimed at the tongue, such as side sleeping or a device, and seeing whether it helps.
Why Back Sleeping Makes It Worse
Lying on your back puts gravity behind the tongue. With the muscles relaxed, the tongue base drops back towards the rear wall of the throat.
This has been watched directly. A 2014 study in The Laryngoscope carried out sleep endoscopy in 100 consecutive patients with sleep apnoea, first lying flat on their back and then with the head turned to the left and right.
In the 67 patients whose apnoea was positional, turning the head to the side was linked with less frequent complete front to back collapse at the tongue base, as well as at the palate and the epiglottis. Partial collapse became more common instead, meaning the airway narrowed less severely. Left and right made no difference; the change came from moving away from facing straight up.
That is the reasoning behind the most basic advice for tongue snoring: sleep on your side. It is free, it reduces the gravitational pull on the tongue, and it helps the palate too. The difficulty is staying there, since most people roll onto their back during the night, and there are pillows and wearable devices designed to discourage that.
Tongue Retaining Devices
If the tongue falls back, one direct answer is to hold it forward. Tongue retaining devices, also called tongue stabilising devices, do this with suction, drawing the tongue forward while you sleep without moving the jaw.
What the pooled evidence shows. A 2017 systematic review and meta-analysis in the American Journal of Otolaryngology gathered 16 studies with 242 patients with obstructive sleep apnoea. Breathing interruptions fell from an average of 33.6 to 15.8 an hour, a 53 percent reduction. The lowest overnight oxygen level rose from 79.8 to 83.9 percent, and daytime sleepiness scores fell from 10.8 to 8.2 in the four studies that measured them. The authors concluded the devices are a statistically effective alternative treatment option for sleep apnoea.
How they compare with a jaw device. A randomised crossover trial in Sleep in 2009 had 27 patients with sleep apnoea try both a mandibular advancement splint and a tongue stabilising device. Both reduced breathing interruptions by similar amounts, from 26.96 an hour to 11.68 with the splint and 13.15 with the tongue device. But 68 percent achieved a complete or partial response with the splint, against 45 percent with the tongue device. Snoring and sleep quality improved more with the splint, compliance was poorer with the tongue device, and 91 percent of patients preferred the splint.
The fair summary is that tongue retaining devices work, on paper, about as well as jaw devices at reducing breathing events, but people find them harder to live with. The trial authors called for longer term studies to clarify their role. They make most sense for people who cannot use a jaw device, which is a decision best made with a dentist or sleep clinic.
Note what the evidence is about. These studies measured sleep apnoea, not simple snoring, and snoring was only reported subjectively, in the head to head trial. Anyone with suspected apnoea needs assessing first, rather than treating themselves with a device bought online.
Mandibular Advancement: Moving the Tongue via the Jaw
The more common way to move the tongue forward is indirect. The tongue is attached to the lower jaw, so a device that holds the jaw forward brings the tongue base with it.
These devices have their own evidence, their own side effects and an important difference between cheap shop versions and dentist fitted ones. We have covered all of that in detail in do anti-snoring mouthpieces work, so here it is enough to say that, going by the head to head trial above, a jaw device is usually the better tolerated way to bring the tongue forward. That guide also covers when a tongue device is the better fit.
Other Things That Help, and When to See a GP
Side sleeping. As above, the simplest and cheapest step. It reduced collapse at the tongue base in the endoscopy study and helps the palate as well.
Weight, if it has crept up. Weight affects the tongue itself as well as the neck, and we covered that evidence in does losing weight stop snoring.
Tongue and throat exercises. Exercise programmes that train the tongue and throat muscles have been tested in trials, with snoring falling but rarely vanishing. Our guide to whether throat exercises stop snoring covers the routines and the evidence.
Do not forget the other levels. Because the tongue often collapses alongside the palate, and because a blocked nose pushes people into mouth breathing, the most effective plan usually tackles more than one thing at once. If your partner is losing sleep while you work it out, soft silicone ear plugs for them are a simple stopgap.
See a GP if the signs point beyond snoring. Collapse at more levels was more common in more severe sleep apnoea. Witnessed pauses, gasping or choking, and heavy daytime sleepiness all deserve an appointment. Our guide to whether snoring is a sign of sleep apnoea explains the warning signs and the referral route.
Frequently Asked Questions (FAQs)
How do I know if my tongue is causing my snoring?
You cannot know for certain at home. Snoring that is much worse on your back is a clue, and a higher pitched snore may point to the tongue base, but both are weak signals. The only direct method is sleep endoscopy, a specialist test. Most people find out by trying side sleeping or a device and seeing what changes.
Does the tongue snoring self test work?
The test, sticking your tongue out between your teeth and trying to snore, is popular online, but we could not find any study comparing it with what sleep endoscopy shows. Making a snoring noise while awake is different from snoring in sleep. It is harmless to try, but do not rely on the result.
What does tongue snoring sound like?
In one small study, tongue base snores had a much higher peak frequency, around 1,243 Hz, than palatal snores at around 137 Hz, which sound more like a low flutter. The tongue figure came from only 10 snore samples, and most people snore from more than one level, so pitch alone cannot identify the source.
Do tongue retaining devices work?
In sleep apnoea, yes, on average. A 2017 review of 16 studies found breathing interruptions fell by 53 percent and daytime sleepiness improved. The catch is comfort: in a head to head trial, compliance was poorer with the tongue device and 91 percent of patients preferred a jaw advancement splint.
Is a tongue retaining device better than a mouthpiece?
Not for most people. In a randomised crossover trial, both reduced breathing interruptions by similar amounts, but 68 percent responded to the jaw splint against 45 percent to the tongue device, and snoring improved more with the splint. A tongue device is usually the second option, chosen with a dentist when a splint is unsuitable.
Why is my snoring worse on my back?
Lying on your back lets gravity pull the tongue base and palate towards the back of the throat. In an endoscopy study of 100 patients, turning the head to the side reduced complete collapse at the tongue base, palate and epiglottis, especially in people whose apnoea was positional. Side sleeping is the simplest fix to try first.
Sources
- Vroegop AV et al., Drug-induced sleep endoscopy in sleep-disordered breathing: report on 1,249 cases, The Laryngoscope, 2014
- Agrawal S et al., Sound frequency analysis and the site of snoring in natural and induced sleep, Clinical Otolaryngology and Allied Sciences, 2002
- Safiruddin F et al., Analysis of the influence of head rotation during drug-induced sleep endoscopy in obstructive sleep apnea, The Laryngoscope, 2014
- Chang ET et al., Tongue retaining devices for obstructive sleep apnea: a systematic review and meta-analysis, American Journal of Otolaryngology, 2017
- Deane SA et al., Comparison of mandibular advancement splint and tongue stabilizing device in obstructive sleep apnea: a randomized controlled trial, Sleep, 2009
This article is general information, not medical advice. If you snore heavily, stop breathing or gasp during sleep, or feel exhausted during the day, see your GP before buying a device.
