Nebraska and Iowa have very different ways that they handle individuals with disabilities. For more defined information please contact your state Department of Health.
One of the categories you may qualify for is Respite Care. This is a service for children with a developmental delay and/or behavioral problems, adults with an intellectual disability, and adults with cognitive loss in order to support and maintain the primary caregiving relationship. This could be a short-term and time-limited breaks. To see if you qualify please see your contact your state for more information.