Contact: Jyoti Madhusoodanan
Public Library of Science
Caption: During hibernation, non-REM sleep is absent in the lemuriform primate Cheirogaleus medius.
Credit: Mackenzie Wing
Usage Restrictions: All figures and photographic images will be published under a Creative Commons Attribution License (CCAL), which allows them to be freely used, distributed, and built upon as long as proper attribution is given.
Related news release: Only known hibernating primate has unique sleep patterns