Do sleeping dragons dream?
All animals—from humans to birds, worms, and crocodiles—sleep. Not all species sleep alike, however, and scientists have long puzzled over which aspects are truly fundamental. Now, a new study on lizards suggests that sleep states once thought to occur only in mammals and birds have much older evolutionary origins.
Read the research ($) – http://science.sciencemag.org/content/352/6285/590
By: Science Magazine.