How CPAP Works and Who It Suits
A CPAP unit generates a steady airflow delivered through tubing and a mask, using positive pressure to splint open the pharyngeal soft tissue that collapses during sleep so breathing does not pause. Variants include auto-titrating (APAP) and bilevel (BiPAP). CPAP is the recognized, clearly effective first-line treatment for moderate-to-severe OSA (higher AHI), and severe cases usually center on it. To understand your severity and AHI, see the home sleep test guide; for low night oxygen, see the sleep blood-oxygen guide.
CPAP Cost, Common Drawbacks, and Alternatives When Intolerable
Total CPAP cost includes the unit, mask consumables, and replacements; it varies widely by type (fixed/APAP/BiPAP) and brand, so consult device suppliers and your physician — this article lists no fixed figures. Common drawbacks include mask marks and discomfort, nasal/oral dryness, claustrophobia, machine and leak noise, and travel inconvenience, all of which affect long-term adherence — and adherence is the key to effectiveness.
If you have mild-to-moderate OSA, or tried CPAP after diagnosis but cannot adapt, an oral appliance (OAT) is a guideline-recognized non-invasive alternative — small, silent, and portable. For a full comparison, see oral appliance vs CPAP vs surgery. OSAWELL is a Taiwan Class II TFDA custom medical-grade anti-snoring oral appliance (TFDA Permit No. 008771), developed with a Taipei Medical University team and made by partner dentists from your intraoral scan; suitability requires a physician's assessment.