Background: High-quality sleep is essential for both physical and mental well-being. Insufficient or poor sleep is linked to numerous health issues, including cardiometabolic diseases, mental health disorders, and increased mortality. Snoring, a prevalent condition, can disrupt sleep and is associated with disease states including coronary artery disease and obstructive sleep apnea. Objective: The SleepWatch smartphone application (Bodymatter, Inc., Newport Beach, CA USA) aims to monitor and improve sleep quality and has snore detection capabilities built through a machine-learning process trained on over 60,000 acoustic events. This study evaluates the accuracy of the SleepWatch snore detection algorithm in a simulated real-world setting. Methods: The snore detection algorithm was tested using 36 simulated snoring audio files derived from 18 subjects. Each file simulated a Snoring Index (SI) between 30 and 600 snores/hour. Additionally, 9 files with non-snoring sounds were tested to evaluate the algorithm's capacity to avoid false positives. Sensitivity, specificity, and accuracy were calculated for each test, and results were compared using Bland-Altman plots and Spearman correlation to assess the correlation between detected and actual snores. Results: The SleepWatch algorithm showed an average sensitivity of 86.3%, specificity of 99.5%, and accuracy of 95.2% across the snoring tests. The algorithm performed exceptionally well in avoiding false positives, with a specificity of 97.1% for non-snoring files. Inclusive of all snoring and non-snore tests, the aggregated accuracy for all trials in this bench study was 95.6%. Bland-Altman analysis indicated a mean bias of -29.8 snores/hour, and Spearman correlation analysis revealed a strong positive correlation (rs=0.974, P

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I updated my watch to the latest software, 26.4, and I just noticed a strange bug. On my watch face, after the time, on the left I have workout. Then after it reads the time, when I swipe right, I have my calendar, Sleepwatch (which is an app I use to track my sleep), weather, alarm, and messages. VoiceOver reads everything except the SleepWatch app. It's just silent when I swipe. Anyone else notice this with any apps on their watch face? Not sure what position it is when I set it up, that's why I described it the way I did. Thanks in advance.