OHSU sleep lab (IMAGE) Oregon Health & Science University Caption A new study from Oregon Health & Science University reveals negative health impacts for overweight people who stay awake too late for their internal biological clock. Credit OHSU/Christine Torres Hicks Usage Restrictions Oregon Health & Science University offers select multimedia assets for use by news outlets. (Commercial use is prohibited without prior written consent.) When using these materials, please: Credit photos and video with “OHSU/Photographer name.” Photographer name, caption and usage restrictions are embedded in the image metadata. Do not alter the content/nature of the photo. Color correction and cropping are allowed. Audio and video clips should be credited to OHSU. For more information, please contact OHSU Strategic Communications at news@ohsu.edu or 503-494-8231. 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.