life vs sleep

life

noun
  • The state of organisms preceding their death, characterized by biological processes such as metabolism and reproduction and distinguishing them from inanimate objects; the state of being alive and living. 

  • A life sentence; a period of imprisonment that lasts until the convict's death (or, sometimes, parole). 

  • An opportunity for existence. 

  • A worthwhile existence. 

  • The span of time during which an object operates. 

  • The most lively component or participant. 

  • A particular phase or period of existence. 

  • Nature, reality, and the forms that exist in it. 

  • The period of time during which an object is recognizable. 

  • Animation; spirit; vivacity. 

  • A biography. 

  • One of the player's chances to play, lost when the player's character dies or when certain mistakes are made. 

  • A chance for the batter (or batting team) to bat again, given as a result of an misplay by a member of the fielding team. 

  • Social life. 

  • Something which is inherently part of a person's existence, such as job, family, a loved one, etc. 

  • A particular aspect of existence. 

  • The status possessed by any of a number of entities, including animals, plants, fungi, bacteria, and sometimes viruses, which have the properties of replication and metabolism. 

  • The animating principle or force that keeps an inorganic thing or concept metaphorically alive (dynamic, relevant, etc) and makes it a "living document", "living constitution", etc. 

  • The period during which one (a person, an animal, a plant; a civilization, species; a star; etc) is alive. 

  • Lifeforms, generally or collectively. 

  • A period extending from a when a (positive or negative) office, punishment, etc is conferred on someone until that person dies (or, sometimes, reaches retirement age). 

  • One of a player's chances to play in various children's playground games, lost when a mistake is made, for example being struck by the ball in dodgeball. 

  • The life insurance industry. 

  • A life assured under a life assurance policy (equivalent to the policy itself for a single life contract). 

  • Existence. 

  • A living individual; the fact of a particular individual being alive. (Chiefly when indicating individuals were lost (died) or saved.) 

verb
  • To replace components whose operational lifetime has expired. 

sleep

noun
  • The state of reduced consciousness during which a human or animal rests in a daily rhythm. 

  • A night. 

  • A state of plants, usually at night, when their leaflets approach each other and the flowers close and droop, or are covered by the folded leaves. 

  • The hibernation of animals. 

  • Rheum, crusty or gummy discharge found in the corner of the eyes after waking, whether real or a figurative objectification of sleep (in the sense of reduced consciousness). 

  • An act or instance of sleeping. 

verb
  • To be, or appear to be, in repose; to be quiet; to be unemployed, unused, or unagitated; to rest; to lie dormant. 

  • To rest in a state of reduced consciousness. 

  • To be slumbering in (a state). 

  • To place into a state of hibernation. 

  • To spin on its axis with no other perceptible motion. 

  • To wait for a period of time without performing any action. 

  • To be dead; to lie in the grave. 

  • To have sexual intercourse (see sleep with). 

  • To accommodate in beds. 

  • To be careless, inattentive, or unconcerned; not to be vigilant; to live thoughtlessly. 

  • To cause (a spinning top or yo-yo) to spin on its axis with no other perceptible motion. 

  • To achieve or make happen by manner of sleep. 

How often have the words life and sleep occurred in a corpus of books? (source: Google Ngram Viewer )