Sleep (non-human)
Sleep in non-human animals refers to how the behavioral and physiological state of sleep, mainly characterized by reversible unconsciousness, non-responsiveness to external stimuli, and motor passivity, appears in different categories of animals.
Rats kept from sleeping die within a couple of weeks, but the exact function of sleep is still unknown.
Read more about Sleep (non-human): Definition, Unihemispheric Sleep, Sleep in Hibernating Animals
Famous quotes containing the word sleep:
“Meanwhile I, deserted, was lamenting a little to myself your long delays in foreign loves, until sleep with its pleasing wings compelled me, fallen.”
—Propertius Sextus (c. 50–16 B.C.)