(v. i.) A natural and healthy, but temporary and periodical, suspension of the functions of the organs of sense, as well as of those of the voluntary and rational soul; that state of the animal in which there is a lessened acuteness of sensory perception, a confusion of ideas, and a loss of mental control, followed by a more or less unconscious state.
SLEEP
Meaning of SLEEP in English
Webster's English dictionary. Английский словарь Webster. 2012