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Hereditary Factors in Sleepwalking and Night Terrors

  • Anthony Kales (a1), Constantin R. Soldatos (a2), Edward O. Bixler (a2), Roger L. Ladda (a3), Dennis S. Charney (a4), Gary Weber (a5) and Paula K. Schweitzer (a6)...
Summary

The families of 25 probands with sleepwalking and 27 probands with night terrors were studied. Eighty per cent of the sleepwalking pedigrees and 96 per cent of the night terror pedigrees included one or more individuals, other than the proband, who were affected by sleepwalking, night terrors, or both. Our data appear to fit a ‘two threshold’ multifactorial mode of inheritance. This finding supports the hypothesis that sleepwalking and night terrors share a common genetic predisposition, with sleepwalking being a more prevalent and less severe manifestation of the same substrate that underlies night terrors. Heritable factors predispose an individual to develop sleepwalking and/or night terrors, but expression of the trait may be influenced by environmental factors.

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The British Journal of Psychiatry
  • ISSN: 0007-1250
  • EISSN: 1472-1465
  • URL: /core/journals/the-british-journal-of-psychiatry
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Hereditary Factors in Sleepwalking and Night Terrors

  • Anthony Kales (a1), Constantin R. Soldatos (a2), Edward O. Bixler (a2), Roger L. Ladda (a3), Dennis S. Charney (a4), Gary Weber (a5) and Paula K. Schweitzer (a6)...
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