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George B. Moody PhysioNet Challenges

For the past 27 years, PhysioNet and Computing in Cardiology have co-hosted a series of annual challenges, now called the George B. Moody PhysioNet Challenges, to tackle clinically interesting but unsolved questions.

The George B. Moody PhysioNet Challenge 2026 invites teams to develop and implement open-source algorithms for using PSGs to predict future diagnoses of cognitive impairment. Sleep is a fundamental physiological process that is deeply intertwined with human health. Traditionally, clinicians use sleep studies to diagnose obstructive sleep apnea, insomnia, and other sleep disorders. However, sleep studies can also reveal other chronic conditions that cause, are caused by, or are correlated with physiological changes in sleep. These findings can provide context to sleep disorders and inform the early diagnosis and treatment of other health conditions. The PhysioNet Challenge 2026 invites teams to develop algorithmic approaches for using polysomnography (PSG), which records various physiological signals during sleep studies, to predict future diagnoses of cognitive impairment.

Please check the below links for information about current and past Challenges, including important details about scoring and test data for previous Challenges.

Select News

  • September 28, 2026: We have released the results of the 2026 Challenge. Congratulations to the winners! Please see this announcement for more details.

  • August 24, 2026: The official phase of the Challenge has concluded. Please choose your final entry for evaluation on the hidden validation and test sets and see us at CinC 2026 to learn about the Challenge approaches and the winners of the Challenge.

  • June 3, 2026: - June 3, 2026: We have launched the official phase of the Challenge. Please check the updated data and code, read the submission instructions, double check your code, and submit it for evaluation on the validation set when ready.

  • February 18, 2026: We are now accepting submissions to the unofficial phase of the PhysioNet Challenge 2026. Please read the submission instructions, double check your code, and submit it for evaluation on the validation set when ready.

  • February 10, 2026: The NIH-funded George B. Moody PhysioNet Challenge 2026 is now open! Please read this website for details and share questions and comments on Challenge forum.

  • ... see previous news articles here.

Current Challenge

Past Challenges