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[Violent behavior during sleep].

Dalva Poyares1, Carlos Maurício Oliveira de Almeida, Rogerio Santos da Silva

  • 1Universidade Federal de São Paulo. poyares@psicobio.epm.br

Revista Brasileira De Psiquiatria (Sao Paulo, Brazil : 1999)
|August 6, 2005
PubMed
Summary

Violent behavior during sleep, including self-injury or harming others, affects about 2% of the population. This study examines clinical and legal aspects of investigating these sleep-related arousal disorders.

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Area of Science:

  • Neurology
  • Forensic Science
  • Sleep Medicine

Background:

  • Violent behavior during sleep, encompassing self-harm or aggression towards others, is a recognized phenomenon.
  • The precise incidence of such behaviors within the general population remains largely unknown.
  • Previous research indicates a prevalence of approximately 2% in the general population, with a higher occurrence in males.

Observation:

  • This study focuses on the clinical and medico-legal investigation of violent sleep behaviors.
  • These behaviors are often linked to partial awakenings associated with arousal disorders, commonly known as parasomnias.
  • The most frequently diagnosed conditions include REM sleep behavior disorder and somnambulism (sleepwalking).

Findings:

  • Violent sleep behaviors involve actions causing injury to oneself or others during sleep.

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  • These episodes are frequently associated with specific parasomnias like REM sleep behavior disorder and somnambulism.
  • Triggers for violent sleep behaviors can include stress, substance use (alcohol/drugs), sleep deprivation, and fever.

    • Implications:

    • Understanding the clinical and legal dimensions of violent sleep behaviors is crucial for accurate diagnosis and management.
    • Identifying underlying parasomnias and potential triggers is essential for effective intervention.
    • This research contributes to the medico-legal understanding of sleep-related violence, aiding in forensic investigations and patient care.