Dreaming 'Droid (IMAGE) DOE/Los Alamos National Laboratory Caption Sleep may be as vital to intelligent machines of the future as it is to us. Credit Los Alamos National Laboratory 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.