Coffee (IMAGE) American Chemical Society Caption Scientists report that the simple inhalation of coffee by rats has changed their gene expressions in ways that help reduce sleep deprivation-induced stress. Credit Courtesy of public-domain-photos.com 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.