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:
“Now I lay me down to sleep,
I pray the Lord my soul to keep;
If I should die before I wake,
I pray the Lord my soul to take.”
—Unknown. Now I Lay Me Down to Take My Sleep (l. 1–4)