Sleep Medicine pp 345-350 | Cite as

Schizophrenia and Psychosis

  • Brady A. Riedner
  • Fabio Ferrarelli
  • Ruth M. BencaEmail author


In a sense, psychosis, loosely defined as “loss of contact with reality,” is a state of being that happens to all of us each night when we fall asleep. The association between psychosis and sleep is even further strengthened when one considers that psychosis implies not simply a lack of connection with external reality, but a bizarre transformation of consciousness where the mind sees what is not there, emotional content is intensified, the flow of information or time is disjointed, and the sense of one’s self is confused. This is what usually happens when we dream.


Sleep medicine Schizophrenia Psychosis 


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Copyright information

© Springer Science+Business Media, LLC 2015

Authors and Affiliations

  • Brady A. Riedner
    • 1
  • Fabio Ferrarelli
    • 2
  • Ruth M. Benca
    • 3
    Email author
  1. 1.Psychiatric InstituteUniversity of Wisconsin-MadisonMadisonUSA
  2. 2.Department of Psychiatry, School of Medicine and Public HealthUniversity of Wisconsin-MadisonMadisonUSA
  3. 3.Departments of Psychiatry and Psycology, Center for Sleep Medicine and Sleep ResearchUniversity of Wisconsin-MadisonMadisonUSA

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