Why do we sleep? The answer may change right before we turn 3.

Very interesting article. It makes me wonder if autism develops at least in part from some sleep disorder. Maybe they already know that isn't the case but if it is a possibility certainly worth studying.

"Autism has a strong genetic basis, although the genetics of autism are complex and it is unclear whether ASD is explained more by rare mutations with major effects, or by rare multigene interactions of common genetic variants."

"Maternal nutrition and inflammation during preconception and pregnancy influences fetal neurodevelopment. Intrauterine growth restriction is associated with ASD, in both term and preterm infants."

"Exposure to air pollution during pregnancy, especially heavy metals and particulates, may increase the risk of autism "

[ https://en.wikipedia.org/wiki/Autism#Causes ]