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Assessment of Sleep-Related Problems in Children with Cerebral Palsy Using the SNAKE Sleep Questionnaire
Larissa Alice Dreier1,2, Tugba Kapanci3, Katharina Lonnemann3
1Department of Children's Pain Therapy and Paediatric Palliative Care, Faculty of Health, School of Medicine, Witten/Herdecke University, 58448 Witten, Germany.
Insights
Children with cerebral palsy (CP) experience sleep disturbances, with functional impairment being a key factor. Motor and fine motor deficits correlate with specific sleep issues in pediatric CP patients.
Area of Science:
- Pediatric Neurology
- Sleep Medicine
- Developmental Pediatrics
Background:
- Cerebral palsy (CP) is the leading cause of childhood motor impairment.
- Sleep problems are common in children with CP but lack specific investigation tools.
- Existing research has not adequately explored the relationship between functional deficits and sleep in this population.
Purpose of the Study:
- To investigate sleep problems in children with cerebral palsy using a population-specific questionnaire.
- To determine the correlation between the severity of motor and fine motor functional impairment and sleep disturbances in children with CP.
- To identify if CP subtype or comorbidities influence sleep behavior.
Main Methods:
- A prospective, hospital-based study included 100 children diagnosed with CP.
- Participants underwent standardized pediatric neurological screening (GMFCS, BFMF).
- Parents completed the Sleep Questionnaire for Children with Severe Psychomotor Impairment (SNAKE) to assess sleep behavior.
Main Results:
- Children's sleep behavior, including issues with staying asleep and daytime sleepiness, worsened with greater gross motor impairment.
- Increased fine motor impairment was associated with arousal and breathing problems during sleep.
- A significant proportion of children exhibited sleep behaviors outside the normal range according to the SNAKE questionnaire.
Conclusions:
- Functional impairment, rather than CP subtype or comorbidities, appears to be the primary driver of sleep disturbances in children with CP.
- The study highlights the importance of using population-specific tools like SNAKE for accurate sleep assessment in pediatric CP.
- Findings underscore the need for targeted interventions addressing functional deficits to improve sleep quality in children with cerebral palsy.
Abstract:
Cerebral palsy (CP) represents the most common motor impairment in childhood. The presence of sleep problems has not yet been investigated with an instrument specifically designed for this population. In this hospital-based, prospective study, N = 100 children (M = 7.9, range: 2-18 years) with CP were included. All patients underwent pediatric neurologists' screening incorporating instruments (Data Collection Form; Gross Motor Functions Classification System, GMFCS; Bimanual Fine Motor Function, BFMF) recommended by the "Surveillance of Cerebral Palsy in Europe (SCPE)". Parents completed the "Sleep Questionnaire for Children with Severe Psychomotor Impairment (SNAKE)". Children's sleep behavior was increasingly conspicuous, with greater gross motor (SNAKE scales: disturbances remaining asleep, daytime sleepiness) and fine motor (additionally SNAKE scale arousal and breathing problems) functional impairment. Overall, a proportion of children showed sleep behavior outside the SNAKE's normal range. No relevant sleep differences were identified between different CP subtypes and comorbidities. Applying a population-specific questionnaire, children's functional impairment seems to be more relevant to their sleep behavior than the CP subtype or CP comorbidities.
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