Prevents Dryness: Adds moisture to the airflow to stop dry mouth, throat irritation, and nasal crusting . Improves Comfort: Makes high-pressure air feel less harsh, helping you stay asleep longer . Reduces Congestion: Keeps nasal passages hydrated, which prevents swelling and helps you breathe easier . Boosts Compliance: Users with humidifiers are more likely to stick with their CPAP therapy consistently. Adjustable Settings: Most machines allow you to manually or automatically tune moisture levels to match your room’s environment