Adult day programs (ADPs) are for people over the age of 18 who require services to help maintain or improve their physical and cognitive function. Adult day programs (ADPs) are for people over the age of 18 who require services to help maintain or improve your physical and cognitive function. ADPs provide opportunities for an individual to be part of group activities in a supervised environment. Staff provide social and physical activities in a safe, structured setting. When attending an ADP site in-person, for a full day, a nutritious snack and lunch is provided. Adult day programs can offer caregiver support and respite, as well as a variety of professional and support services.