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BackgroundDown's syndrome (DS) predisposes to sleep-disordered breathing (SDB). In children with DS, behavioural and emotional disturbances secondary to SDB are often assumed to result from cognitive impairment alone. Our aim was to explore the relationship of behavioural and emotional disturbances with SDB in a population of children with DS.MethodsA modified sleep questionnaire, Epworth Sleepiness Scale (ESS), Paediatric ESS and the short form of the developmental behaviour checklist (DBC-P24) were sent to 261 carers of children aged 4 to 15 years with DS in 2012.ResultsOf 120 participants, 25% had probable SDB. In children with probable SDB compared to those without nocturnal symptoms, the total behaviour problem score (TBPS) was significantly higher (20.3 ± 8.6/48 vs. 12 ± 7.5/48; P = 0.002) as was the PaedESS (7.7 ± 5.6/24 vs. 2.8 ± 3.5/24; P = 0.002). For every increase in frequency of choking attacks, snoring and night awakenings, the TBPS increased by 1.37, 1.28 and 1.75 points, respectively, indicating worsening behaviour. The TBPS was found to decrease by 1.31 points for every hour more of self-reported sleep duration (r = -0.25, P = 0.017).ConclusionsSDB symptoms and shorter self-reported sleep duration are highly prevalent among children with DS and are independently associated with worsening behaviour using the TBPS.

Original publication

DOI

10.1111/jir.12765

Type

Journal article

Journal

Journal of intellectual disability research : JIDR

Publication Date

07/09/2020

Addresses

Sleep Research Unit, Department of Sleep Medicine, Royal Infirmary of Edinburgh, The University of Edinburgh, Edinburgh, UK.