Where Should Your Tongue Rest? Why Tongue Posture Matters for Children and Adults
Take a moment to notice where your tongue is resting right now.
Is it lightly suctioned against the roof of your mouth, or is it lying low, pressing against your teeth, or resting between them?
Most people rarely think about tongue posture. However, the tongue spends far more time resting than it does chewing, swallowing, or speaking. Because its resting position is maintained throughout the day and night, it can influence the balance of the muscles and pressures surrounding the teeth, jaws, and airway.
For both children and adults, tongue posture is an important part of healthy breathing, swallowing, dental development, and overall oral function.
Where Should the Tongue Rest?
At rest, the tongue should be lightly suctioned up against the roof of the mouth. The tip of the tongue rests just behind the upper front teeth without touching or pushing against them, while the middle and back of the tongue are gently elevated.
The lips should rest together comfortably, the teeth should remain slightly apart, and breathing should occur through the nose.
This position should feel relaxed and natural, not forced or tense.
If someone cannot maintain this position while breathing comfortably through the nose, it may indicate that an airway, structural, or functional concern needs to be evaluated.
Why Resting Posture Matters
The tongue, lips, cheeks, and jaw create gentle forces around the teeth throughout the day. Unlike the brief pressure created during a swallow, resting posture is maintained for long periods of time.
When the tongue rests against the palate, it helps support balanced oral function. When it consistently rests low, forward, or between the teeth, it may contribute to an imbalance in the pressures surrounding the dental arches.
Low or forward tongue posture is commonly seen alongside:
- Mouth breathing
- An open-mouth resting posture
- Tongue thrust swallowing
- Difficulty keeping the lips closed comfortably
- An open bite or other dental concerns
- Speech sound difficulties
- Snoring or restless sleep
- Orthodontic relapse
Tongue posture is not the sole cause of these concerns. Genetics, airway health, skeletal structure, oral habits, and other factors can also contribute. However, tongue posture is an important part of the overall picture and should not be overlooked.
Signs of Altered Tongue Posture in Children
Children rarely tell their parents that their tongue feels low. Instead, parents may notice other signs, such as:
- An open mouth while watching television, reading, or riding in the car
- Mouth breathing during the day or night
- Snoring or noisy breathing during sleep
- The tongue showing between the teeth
- Difficulty closing the lips without effort
- Messy eating or prolonged chewing
- A tongue thrust when swallowing
- Certain speech sound concerns
- Crowded teeth, a narrow palate, or an open bite
Because a child’s mouth, jaws, face, and airway are still developing, identifying altered breathing and oral posture early provides an opportunity to address contributing factors while growth is still occurring.
Signs of Altered Tongue Posture in Adults
Adults may have lived with low tongue posture or mouth breathing for many years without realizing it.
They may first become aware of the pattern because of:
- Snoring or sleep concerns
- Chronic dry mouth
- Difficulty breathing comfortably through the nose
- Jaw or facial muscle tension
- A persistent tongue thrust swallow
- Orthodontic relapse
- Difficulty maintaining a comfortable lip seal
- A recommendation from a dentist, orthodontist, or sleep provider
Adults can improve oral function, but simply reminding yourself to “put your tongue up” is rarely enough to change a pattern that has been present for years.
Why the Tongue May Rest Low
A low tongue position is not always just a bad habit. The tongue may be adapting to another concern, including:
- Chronic nasal congestion or allergies
- Enlarged tonsils or adenoids
- A narrow palate
- Structural airway limitations
- Restricted tongue mobility
- Reduced tongue strength or coordination
- Long-standing mouth breathing
- Dental or skeletal differences
This is why tongue posture should not be corrected by force. A person must be able to breathe comfortably through the nose before a closed-mouth resting posture can become safe and sustainable.
When necessary, myofunctional therapy is coordinated with ENTs, allergists, dentists, orthodontists, physicians, and other healthcare providers so that structural or medical barriers can also be addressed.
Why Knowing the Correct Position Is Not Enough
Many people can place their tongue on the roof of their mouth when they are thinking about it. The difficulty is keeping it there naturally while working, playing, sleeping, speaking, and going about daily life.
A long-standing pattern does not usually change through reminders alone.
The tongue may lack the mobility, coordination, strength, or endurance needed to maintain an elevated resting position. The person may also compensate by clenching the jaw, tightening the lips, or forcing the tongue upward while continuing to breathe through the mouth.
Myofunctional therapy does more than tell someone where the tongue belongs. It evaluates how the tongue, lips, jaw, breathing, chewing, and swallowing work together and identifies the barriers preventing a healthier pattern.
How Myofunctional Therapy Can Help
Myofunctional therapy uses individualized exercises and functional training to help children and adults develop healthier oral patterns.
Depending on the person’s needs, therapy may help:
- Improve awareness of tongue and lip posture
- Develop tongue mobility, strength, coordination, and endurance
- Establish a comfortable tongue-to-palate resting position
- Improve lip seal without facial strain
- Transition from habitual mouth breathing to nasal breathing when the airway is clear
- Retrain an altered chewing or swallowing pattern
- Reduce compensations involving the jaw, lips, face, or neck muscles
- Support orthodontic treatment and long-term stability
- Reinforce healthier oral habits throughout the day and night
The goal is not to hold the tongue in place through constant effort. The goal is to retrain the muscles and nervous system so that healthier breathing, tongue posture, and swallowing patterns become natural and automatic.
Why Work With a Myofunctional Therapist?
Generic exercises found online cannot determine why the tongue is resting low or whether the person has an open nasal airway, adequate tongue mobility, sufficient palatal space, or compensatory muscle patterns.
A myofunctional evaluation looks at the whole functional picture. Therapy can then be tailored to the person’s age, anatomy, symptoms, goals, and ability to complete the exercises correctly.
It can also identify when another healthcare provider should be involved before or during therapy.
Supporting Better Function for the Long Term
Tongue posture may seem like a small detail, but it is part of a much larger pattern involving breathing, sleep, swallowing, dental development, and muscle function.
For many children and adults, learning where the tongue should rest is only the beginning. Myofunctional therapy provides the guidance, repetition, and individualized support needed to turn that knowledge into a comfortable and lasting habit.
If you or your child has signs of mouth breathing, low tongue posture, tongue thrust swallowing, snoring, or difficulty maintaining corrected orthodontic results, a myofunctional evaluation can help determine what is contributing to the pattern and whether therapy would be beneficial.
Warmly,
Sandra M. Randolph, RDH, OMT
Founder, Montana Myo