That habit of eating is called PICA Pica is most common in people with developmental disabilities, like autism and intellectual disabilities, and in children between the ages of 2 and 3. read more
Your child may sit in the bed and bang his head backward against the pillow or headboard; lie face down and rock in place, banging his against the pillow or mattress; lie on the mattress and rock his head back and forth, or stand in the bed holding the rails, banging his head against the railings. read more
A condition or feeling of pleasurable ease, well-being, and contentment, well sign me up for more of that. That is why I rock back and forth sitting and standing, sometimes. I believe that is why your child rocks too. read more