Relationship between poor sleep and daytime cognitive performance in young adults with autism
Abstract
Poor sleep is a common feature in autism even though patients themselves do not necessarily complain. The impact of poor sleep on daytime cognitive functioning in autism is not well-known and we therefore investigated whether sleep in autism correlates with daytime cognitive performance. A battery of non-verbal tasks was administered, in the morning after a second night of sleep in the laboratory, to 17 young adults with autism and normal intelligence, and 14 typically developed individuals matched for age and IQ; none of the participants complained about sleep problems. Two dimensions of attention (sustained and selective) and 4 types of memory (working, declarative, sensory-motor and cognitive procedural) were tested. Individuals with autism showed clear signs of poor sleep. Their performance differed from the controls in response speed but not in accuracy. Signs of poor sleep in the autism group were significantly correlated with either normal performance (selective attention and declarative memory) or performance inferior to that of the controls (sensory-motor and cognitive procedural memories). Both groups presented a significant negative correlation between slow-wave sleep (SWS) and learning a sensory-motor procedural memory task. Only control participants showed a positive association between SWS duration and number of figures recalled on the declarative memory task. Correlation patterns differed between groups when sleep spindles were considered: they were negatively associated with number of trials needed to learn the sensory-motor procedural memory task in autism and with reaction time and number of errors on selective attention in the controls. Correlation between rapid eye movements (REMs) in REM sleep and cognitive procedural memory was not significant. We conclude that some signs reflecting the presence of poor sleep in adults with high-functioning autism correlate with various aspects of motor output on non-verbal performance tasks. The question is raised whether poor sleep in non-complaining persons with autism should be treated.
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Left untreated, co-occurring neuropsychiatric conditions can have detrimental and potentially catastrophic impacts on ASD individuals and their families, including decreased quality of life, increased stress, hindered educational and employment opportunities, and increased risk of suicidality.
“Left untreated, these co-occuring conditions can have detrimental and potentially catastrophic impacts on ASD individuals and their families, such as decreased quality of life and increased stress, hindered educational and employment opportunities and increased risk of suicidality [12–21].”
From Pharmacological treatment in autism: a proposal for guidelines on common co-occurring psychiatric symptoms (2025) · cites this paper as [12]
Sleep disorders have been correlated with daytime sleepiness, cognitive, attentional, behavioral, and emotional challenges, as well as poorer health-related quality of life for children with ASD.
“Sleep disorders have been correlated with daytime sleepiness, cognitive, attentional, behavioral, and emotional challenges, as well as poorer health-related quality of life for children with ASD [12, 13, 46].”
From Pharmacological treatment in autism: a proposal for guidelines on common co-occurring psychiatric symptoms (2025) · cites this paper as [12]
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“Sleep disorders are reported and documented in adults with ASD (Godbout, Bergeron, Limoges, Stip, & Mottron, 2000; Limoges, Mottron, Bolduc, Berthiaume, & Godbout, 2005; Tani et al., 2003).”
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“Fatigability was estimated by comparing results from the first half to the second half of the test, which is sensitive to pathological daytime somnolence and sleep deprivation (Godbout & Montplaisir, 1986; Judelson et al., 2005).”
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- Authors
- Limoges, É., Bolduc, C., Berthiaume, C., Mottron, L., & Godbout, R.
- Affiliations
- Hôpital Rivière-des-Prairies (CA)
- Corresponding author
- Godbout, Roger
- Venue
- Research in Developmental Disabilities
- Publisher
- Elsevier BV
- Published
- 2013-04
- Volume
- 34
- Issue
- 4
- Pages
- 1322-1335
- ISSN
- 0891-4222 (ISSN-L)
- OpenAlex
- W2134417365
- Cited by
- 90
- References
- 9
- Citations by year
- 2026: 5 · 2025: 4 · 2024: 7 · 2023: 3 · 2022: 5 · 2021: 18 · 2020: 9 · 2019: 12 · 2018: 8 · 2017: 3 · 2016: 2 · 2015: 7 · 2014: 6 · 2013: 1
- FWCI
- 2.91
- Type
- journal article
- Language
- en
- Update notices
- erratum (2015-05-01)
- Open access
- closed
- Licence
- Locations
- Research in Developmental Disabilities (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Canadian Institutes of Health Research (81898)
- Topics
- Life Sciences › Neuroscience › Cognitive Neuroscience › Sleep and Wakefulness Research
- Life Sciences › Neuroscience › Cognitive Neuroscience › Autism Spectrum Disorder Research
- Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and related disorders
- Keywords
- autism spectrum disorder, sleep disorders, high-functioning autism, young adults, slow-wave sleep, sleep spindles, REM sleep, procedural memory, declarative memory, selective attention, sustained attention
- MeSH terms
- Adolescent, Adult, Attention, Autistic Disorder, Cognition, Female, Humans, Sleep Initiation and Maintenance Disorders, Male, Memory, Short-Term, Neuropsychological Tests, Psychomotor Performance, Reaction Time, Mental Recall, Sleep, Sleep, REM, Case-Control Studies, Polysomnography, Asperger Syndrome, Young Adult
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