Single Zebra Finch (IMAGE) University of Zurich Caption Sleep allows zebra finches to perfectly remember all the good things they learned during the day, and to forget all the things that are not important. Credit Richard Hahnloser, ETH/UZH 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.