What's your mouth doing when you aren't using it?

Are your lips sealed? Are your teeth slightly apart? Is your tongue resting right behind your upper teeth, but not touching your teeth? Is your tongue lightly suctioned to the roof of your entire mouth? Is your chin relaxed? If you answered no to any of these, then I challenge you to start studying your habits. Oral rest posture may seem like a strange thing to think of, but it’s important and essential to your overall health.

So what is your mouth really doing throughout the day when you are not using it? Are your lips remaining parted throughout the day? Are you clenching your teeth together? Is your tongue pressing against your teeth? Is your tongue resting low within your mouth? Is your chin all bunched up?

If you mouth breathe, clench/grind your teeth, press your tongue against your teeth, rest your tongue low in your mouth, or if you have to bunch your chin up just to keep your mouth closed, then you present with suboptimal oral rest posture.
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Optimal oral rest posture consists of your lips together, your teeth slightly apart, your tongue lightly suctioned the roof of your mouth, and a relaxed chin. Suboptimal oral rest posture negatively impacts facial growth and development across the lifespan. Is your oral rest posture optimal or suboptimal?