When your tongue cant rest up on the roof of your mouth, it falls back during sleep and partially blocks your airway. That vibration you hear? Thats your body working overtime to breathe., The good People often hold tension in their tongue without being aware of it, and when we're stressed, many of us manifest this tension by pressing our tongue against the roof of our mouth. Mouth Gym Part 2: How to train James Egerton How to Trill or Roll Your R's Bilingual Speechie Multisensory ABC Literacy Kit Soaring Minds Oral Placement Therapy for Tongue Thrust and Lisps Self Study TalkTools