Figure: Comparison (IMAGE) Osaka University Caption Comparison between sleep pattern visualization by AI method (above) and sleep stage by PSG (below), showing correlation between sleep-related sounds and sleep stages. Credit Osaka University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.