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. 2021 Sep;185(9):2815-2820.
doi: 10.1002/ajmg.a.62212. Epub 2021 Apr 24.

Characterization of sleep habits of children with Sotos syndrome

Christine F Stafford  1 , Carrie Ward  2 , Sally L D Ward  2 , Pedro A Sanchez-Lara  3   4
Affiliations

Characterization of sleep habits of children with Sotos syndrome

Christine F Stafford et al. Am J Med Genet A. 2021 Sep.

Abstract

Sotos syndrome (SS) is a genetic disorder characterized by accelerated growth in childhood, developmental deficits, and characteristic craniofacial features. While clinicians and parents have reported unusual sleep habits, only one study by Rutter and Cole in 1991 mentioned sleep complaints (Rutter and Cole, Developmental Medicine and Child Neurology, 1991, 33, 898-902). This study aimed to characterize the sleep habits of individuals with SS. We performed a cross-sectional study of individuals with a definite, probable, or possible diagnosis of Sotos syndrome. Participants were asked to complete the Children's Sleep Habits Questionnaire (CHSQ). We compared our data to historical data available from the literature. Subjects with SS showed more sleep disturbance than typically developing individuals (TD), although their sleep onset was less likely to be delayed and their sleep duration was longer. Participants with SS also showed different sleep patterns compared to children with other forms of intellectual and developmental disabilities (IDD). Individuals with SS exhibited early bed and rise times, frequently used transitional objects, displayed repetitive motion at sleep onset, and did not show a decrease in sleep duration with age. The majority of participants fell asleep at the same time each night, in their own bed, and within 20 min, and rarely showed signs of sleepwalking or night terrors. These results improve our understanding of sleep habits of individuals with SS and may be used to guide treatment and provide normalization for children with SS.

Keywords: Sotos syndrome; sleep; sleep disorder.

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