Tongue Resting Posture
As you read this, take a moment to think about the position of your mouth. You should find your lips closed, you are breathing comfortably through your nose, your upper and lower teeth are separated creating a dental freeway space, and your tongue is lightly suctioned to the roof of your mouth with the tip of the tongue placed behind the upper front teeth. Any changes to those typical tongue and lip resting postures can be cause for concern. This may be an airway issue blocking continuous nasal breathing, prolonged sucking habits of thumb/finger/pacifier, nail biting habits, or leaning your face on your hand.