Here are the four root causes of obstructive sleep apnea your doctor should’ve explained. And yes — you can start fixing all of them tonight. (Tap @apneareset to get your clear, personalized path to better sleep) Most apnea isn’t just “relaxed throat muscles.” It’s airway mechanics, tongue control, nervous system sensitivity, and breathing patterns. First: upper airway collapsibility. The soft palate sags, the airway narrows, and collapse happens. Targeted mouth and palate exercises can lift and