Automated deep learning-based arousal detection complies with ten expert scorers in unseen data

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ID: 321191
2026
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Ranked #124 of 243 articles by views in Sleep & breathing = Schlaf & Atmung

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Abstract
Abstract Study Objectives Automatic arousal scoring is essential for the cost-effective analysis of polysomnograms. Many previous automatic methods have been tested in homogeneous, single-center datasets, and all against one scorer, on event-by-event basis, or in 30-second segments. We developed a deep learning-based arousal scoring model and tested it at 1-second resolution in an independent dataset scored by ten expert scorers from seven different sleep centers. Methods A fully convolutional neural network model was developed using 1,847 openly available polysomnograms from the Multi-Ethnic Study of Atherosclerosis (MESA) and tested in 205 hold-out polysomnograms from the MESA cohort, and in an independent Sleep Revolution (SR) cohort of 50 polysomnograms, each scored by ten scorers. Model performance was evaluated on an event-by-event basis and in 1-second segments. In the SR dataset, the performance was tested against each scorer individually and against their majority agreement. Results In the MESA test set, the model achieved an event-by-event F1-score of 0.77, a 1-s segment κ-value of 0.67, and an arousal index (ArI) intraclass correlation coefficient (ICC) of 0.83. In the multi-scorer SR dataset, the model reached a median event-by-event F1-score, a 1-second κ-value, and an ArI ICC of 0.61, 0.50, and 0.66, respectively, exceeding the corresponding median values of the scorers among themselves (0.57, 0.46, and 0.59, respectively). Conclusions The model achieved higher median arousal scoring agreement with ten manual scorers than the scorers did among themselves in an independent dataset. This suggests that the model generalizes well and can reliably be used in different sleep recordings.
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Authors Henna Pitkänen, R. Huttunen, Masoumeh Tashakori, Marika Rissanen, Matias Rusanen, Heidur Gretarsdottir, Erna Sif Arnardottir, Tiina Paunio, Antti Kulkas, Sami Nikkonen, Timo Leppänen, Henri Korkalainen
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Journal Sleep & breathing = Schlaf & Atmung
Year 2026
DOI
10.1093/sleep/zsag191
URL
https://doi.org/10.1093/sleep/zsag191
Keywords Keywords not found

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