Jean-Louis Zhao and Nathan Cross (IMAGE) Concordia University Caption Jean-Louis Zhao and Nathan Cross: "Adequately treating insomnia disorder might become an important preventive measure for cognitive decline.” Credit Photo provided by Nathan Cross Usage Restrictions None License Original 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.