Autism associated with sleep problems

• Sleep and Autism Spectrum Disorder (ASD) Autism Speaks
  Nice description with links to many Autsim and Sleep studies
• Wide awake: Why children with autism struggle with sleep Autistic Spectrum News
• Sleep problems in autism, explained Autistic Spectrum News Nov 2017
• SLEEP PROBLEMS LINKED TO MORE SEVERE AUTISM SYMPTOMS Interactive Autism Network
  20 references May 2017

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See also VitaminDWiki

• Sleep problems reduced by vitamin D - Autistics and controls – July 2016
• Sleep, Vitamin D, Vitamin B-12, IBS, Fibromyalgia - Gominak March 2015
• Sleep disorders and Autism, TB, etc. (all have low vitamin D) – March 2018