Wesper Journal

Home Sleep Apnea Tests (HSATs) are rapidly emerging as a clinically validated alternative to traditional in-lab polysomnography (PSG), the long-standing gold standard for diagnosing sleep apnea. While PSG offers a comprehensive view of sleep physiology, its high cost, long wait times, and unnatural testing environment can limit accessibility and accuracy. HSATs overcome these barriers by allowing patients to test comfortably at home, often over multiple nights, capturing more representative sleep data and enabling seamless integration with remote patient care. Modern HSATs, particularly Type 2 and Type 3 devices, have demonstrated strong agreement with PSG in clinical studies and are now recommended by the American Academy of Sleep Medicine for many patients. Next-generation devices like Wesper Lab are pushing the field even further, using direct respiratory effort sensing and advanced signal analysis to achieve over 95% diagnostic accuracy compared to PSG. These systems not only improve patient comfort and adherence but also provide deeper clinical insight, including differentiation between obstructive and central events — a limitation of many indirect testing methods. Key Takeaway: Home sleep testing is no longer a compromise — it’s a clinically robust, patient-friendly, and scalable solution that’s redefining how sleep apnea is diagnosed and managed.