Sleepy Worm (IMAGE) Brown University Caption While conducting aversion studies with the C. elegans nematode, researchers noticed something strange. Although nematodes are usually in almost constant motion, the ones with an overexpressed osm-11 gene, part of the Notch signaling pathway, started taking "naps." Credit Hart Lab/Brown University Usage Restrictions Please credit 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.