Apnea Hypopnea Index (AHI) 1 Clinical trials 1 Continuous Positive Air Pressure (CPAP) Fluid Structure Interaction (FSI) 1 Human upper airway tissue 1 Hydraulic Diameter (HD) 1 Lateral Pharyngeal Wall (LPW) 1 MRI imaging 1 Mouth dryness 1 Obstructive sleep apnea (OSA) 1 Sleep patterns 1 Superimposed pressure oscillations (SIPO) 1 Upper respiratory system 1 Viscoelastic materials 1