Why 'Catching Up' on Sleep Doesn't Work (VIDEO) University of Colorado at Boulder This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Kenneth Wright and Christopher Depner of the Sleep and Chronobiology Lab at CU Boulder discuss new research on how extra weekend sleep impacts your health. Credit Dirk Martin/CU Boulder Usage Restrictions EMBARGOED UNTIL 11 ET FEB. 28 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.