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Sleep and Dreams

  • By: Renate Wehrle
  • In: Encyclopedia of the Mind
  • Edited by: Harold Pashler
  • Subject:Linguistics (general), Cognitive Psychology (general)

Within a day, all animals and humans show recurring periods of immobility, usually in a characteristic posture and environment, and associated with an apparent loss of responsiveness to environmental input—they sleep. In contrast to a comatose state, some sensory discrimination ...