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. 2017 Jul;47(7):2120-2137.
doi: 10.1007/s10803-017-3122-4.

Assessing the Dim Light Melatonin Onset in Adults with Autism Spectrum Disorder and No Comorbid Intellectual Disability

Emma K Baker  1   2 , Amanda L Richdale  3   4 , Agnes Hazi  2 , Luke A Prendergast  5
Affiliations

Assessing the Dim Light Melatonin Onset in Adults with Autism Spectrum Disorder and No Comorbid Intellectual Disability

Emma K Baker et al. J Autism Dev Disord. 2017 Jul.

Abstract

This study assessed melatonin levels and the dim light melatonin onset (DLMO) in adults with Autism Spectrum Disorder (ASD) and also investigated the relationships between melatonin and objectively measured sleep parameters. Sixteen adults with ASD (ASD-Only), 12 adults with ASD medicated for comorbid diagnoses of anxiety and/or depression (ASD-Med) and 32 controls participated in the study. Although, the timing of the DLMO did not differ between the two groups, advances and delays of the melatonin rhythm were observed in individual profiles. Overall mean melatonin levels were lower in the ASD-Med group compared to the two other groups. Lastly, greater increases in melatonin in the hour prior to sleep were associated with greater sleep efficiency in the ASD groups.

Keywords: Actigraphy; Autism; Circadian-Rhythm; DLMO; Melatonin; Sleep.

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