Jetlag (IMAGE) Max-Planck-Gesellschaft Caption Our inner clock goes out of sync after long plane trips. Credit Image: Max Planck Institute for Biophysical Chemistry / Merve Evren 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.