By Dr. Chelsie Rohrscheib, Wesper Most sleep apnea diagnoses rest on one night of data. A Wesper study of 149 adults and 1,184 home sleep tests looked at how much can change from night to night. Key findings 69.7% of participants had results that fell into different severity categories on different nights.¹ Among participants with sleep apnea, 52% had a normal result (AHI under 5) on their first night of testing.¹ On average, it took 3.2 nights to record a first abnormal result and 3.6 nights to reach a patient’s highest recorded severity.¹ 26% of participants with a prior diagnosis...