Sucking your tongue, particularly during sleep, is a habit or sensation to describe before looking for a way to stop it. The word “sucking” alone does not explain its cause or determine the right appliance. In adults, assessment starts with what you observe, any discomfort and the dental or sleep context.
How should you describe a tongue-sucking habit?
Clarify what you mean by “sucking your tongue”: a voluntary movement you can demonstrate, a habit someone notices during your sleep, or a sensation when you wake. Note how long you have noticed it and what prompts you to seek advice. These descriptions are not diagnoses to confirm by yourself.
Describe the circumstances: at rest, when swallowing, on waking, with an appliance or during a stressful period. Examination distinguishes tongue function from the condition of the teeth, gums, breathing and other difficulties. Several professionals may be needed.
Does the tongue move the teeth?
Sustained pressure from the tongue and lips contributes to dental equilibrium. This does not mean that occasional tongue contact explains every movement. In his influential theoretical paper, Proffit describes deviant swallowing as a likely adaptation rather than a sole cause. Proffit, 1978
If teeth seem to move forward or a gap appears, start with a dental assessment. A photograph shows neither the supporting tissues nor the entire bite. Our guide to tongue pressure against the teeth in adults explains this distinction.
What can you work on after assessment?
The professional chooses a concrete goal: recognising a resting reference point, improving the precision of a movement, coordination or strength when it is actually relevant. Home practice follows movements explained and checked during the session.
You also need to define how progress will be assessed. Understanding a movement better is different from an orthodontic change. Systematic reviews do not support promises that retraining alone will correct a malocclusion or ensure stability after orthodontics. Homem et al., 2014
A useful programme provides for review and adjustments to instructions. Exercises copied without a goal may add effort without addressing the original reason for seeking help.
Sucking your tongue during sleep: what should you report?
Distinguish what has been observed at night from what you only feel on waking. Report snoring, witnessed breathing pauses and any prescribed sleep treatment separately. The phrase “sucking your tongue” alone cannot establish sleep apnoea or determine an exercise programme.
Snoring and breathing pauses require a specific care pathway. Trials of myofunctional therapy for apnoea investigate active mouth and throat exercises. The Cochrane review reports some short-term benefits, with certainty varying by outcome. It does not validate passively wearing a standard appliance. Cochrane, 2020
Prescribed sleep apnoea treatment, including CPAP, must not be replaced by a programme found online. The European Respiratory Society recommends against preferring myofunctional therapy to CPAP. ERS recommendations
Our article on tongue exercises and sleep apnoea explains the outcomes studied.
Preparing for the first appointment
- Note your discomfort, when it occurs and how long it has been present.
- List your current treatments and appliances, including retainers.
- Ask which retraining goal fits the assessment.
- Clarify the criteria for progress and the next review.
- Show any accessory you are considering buying before adding it to the programme.
For the next steps, our guide to adult tongue retraining: sessions and follow-up explains how to organise appointments and personal practice.
Sources and method
- Proffit, 1978. Pressure equilibrium and tooth position: theoretical paper.
- Homem et al., 2014. Systematic review of myofunctional therapy in orthodontics.
- Rueda et al., Cochrane, 2020. Oropharyngeal exercises and obstructive sleep apnoea.
- European Respiratory Society, 2021. Recommendations on non-CPAP treatments for sleep apnoea.
Written by: Dr Vladimir Khourda, a dentist who no longer practises. Informational content updated on 1 October 2026 using the references cited. It does not replace an individual assessment.