asphyxia vs sleep

asphyxia

noun
  • Loss of consciousness due to the interruption of breathing and consequent anoxia. 

  • Loss of consciousness due to the body's inability to deliver oxygen to its tissues, either by the breathing of air lacking oxygen or by the inability of the blood to carry oxygen. 

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 asphyxia and sleep occurred in a corpus of books? (source: Google Ngram Viewer )