Sleep Problems, Circadian Rhythms, and Their Relation to Behavioral Difficulties in Children and Adolescents with Autism Spectrum Disorder.
Elena Martinez-Cayuelas, Teresa Gavela-Pérez, María Rodrigo-Moreno and 4 others
PMID 36869970WHAT IT FOUND
In children with autism, objective measures showed that poor sleep and unstable daily rhythms were linked to higher anxiety, aggression, and self-injury.
Treating sleep fragmentation may help manage behavioral difficulties, though this study cannot prove cause.
Key findings
01Children with autism who were classified as poor sleepers had significantly higher scores for withdrawn, anxious, aggressive, and self-injurious behaviors than those with autism who slept well.
02Specific sleep problems correlated with specific behaviors: frequent awakenings were associated with self-injury and somatic complaints, while difficulty falling asleep was linked to withdrawal and anxiety.
03Families of children with autism who had poor sleep reported higher levels of parental anxiety, insomnia, and somatic symptoms compared to families of typically developing children with poor sleep.
STILL TO COME
How it was doneWhat they foundWhat it means for PTsWhat it means for OTsWhat it means for SLPs
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What it does not show
The study is cross-sectional, so it cannot prove that poor sleep causes behavioral problems; the relationship may be bidirectional or influenced by other factors. The sample was restricted to drug-naïve children without epilepsy or genetic syndromes, so results may not generalize to the wider clinical ASD population who often have comorbidities or take medication. Sleep and circadian data were collected for only one week and one night for melatonin, which may not capture normal variation. The study used a lenient statistical threshold (p < 0.10) after correction for multiple comparisons, which increases the risk of finding associations that are not real.
Declared interests
Funded by Fundación Familia Alonso. No other conflicts of interest are explicitly detailed in the provided text beyond the funding source.
The easy way to misread this
Do not assume that improving sleep will definitely reduce behavioral difficulties. This study shows an association, not causation, and the sample was small and highly selected (no medications, no epilepsy), so the findings may not apply to complex clinical cases.