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Sleep Quality in Children and Adults with Rett Syndrome.

Y Leven1, F Wiegand2, B Wilken2

  • 1University of Southampton, Faculty of Medicine, England, United Kingdom.

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Sleep disturbances in Rett syndrome (RTT) may be less common than previously thought. Behavioral issues and melatonin use were linked to sleep quality in this study.

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Area of Science:

  • Neurology
  • Pediatrics
  • Sleep Medicine

Background:

  • Rett syndrome (RTT) frequently causes lifelong sleep disorders in over 80% of affected individuals.
  • The impact of these sleep disturbances on quality of life and clinical treatment approaches remains poorly understood.

Purpose of the Study:

  • To evaluate sleep quality in both children and adults with Rett syndrome.
  • To investigate behavioral disorders and their correlation with sleep quality.
  • To document medication use in the study population.

Main Methods:

  • Utilized the Sleeping Questionnaire for children with neurological and other complex diseases (SNAKE) for sleep quality and medication assessment.
  • Employed the Rett Syndrome Behavior Questionnaire (RSBQ) to evaluate behavioral disorders.
  • Collected data from 287 participants whose primary caregivers completed the questionnaires, recruited via Rett Aid (Rett Syndrome Aid in Germany).

Main Results:

  • Over 60% of caregivers reported good to very good sleep quality, contrasting with existing literature.
  • Regression-related behavioral disorders, including loss of hand skills (p=0.046) and isolation (p=0.002), were significantly associated with sleep quality.
  • Melatonin use demonstrated a significant association with improved sleep quality (p=0.007).

Conclusions:

  • Sleep dysfunction appears less prevalent in individuals with Rett syndrome than suggested by prior research.
  • The study highlights the subjective nature of caregiver-reported sleep quality, emphasizing the need for objective, disorder-specific measurement tools for RTT patients.