This can be a self - soothing activity for the infant. (slumbersounds.com)
Try to keep things as calm as possible in the evenings, sticking to soothing activities like bath and story time. (parents.com)
The best sports for children with autism include track and field, because running and throwing are very basic activities that require little verbal skill; swimming, because the symmetry and the swim stroke improve body awareness and propulsion through the water is among the most soothing activities from the standpoint of sound and tactile sensation. (educationworld.com)