The noise produced by continuous positive airway pressure (CPAP) therapy devices originates from several sources, including the motor, airflow through the hose and mask, and occasional mask leaks. These sounds can vary from a gentle whooshing to a more noticeable humming or whistling. An example might be the rhythmic, low-frequency hum of the device’s internal pump.
Managing this acoustic output is crucial for both the user and their sleep partner. Excessive noise can disrupt sleep onset and maintenance, leading to decreased therapy effectiveness and daytime fatigue. Historically, CPAP devices were considerably louder. Technological advancements, such as quieter motors, improved hose design, and more effective mask interfaces, have significantly reduced noise levels, promoting better therapy adherence and overall sleep quality. Understanding the origins and characteristics of these sounds is essential for troubleshooting issues and optimizing therapy comfort.