Baby Owls (image) Max-Planck-Gesellschaft Caption As they get older, baby owls change their sleeping patterns. The older they get, the less time they spent in REM sleep. Credit Fabrizio Sergio Usage Restrictions None 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.