California Code, Health and Safety Code - HSC § 1569.7

Residential care facilities for the elderly that serve residents with Alzheimer's disease and other forms of major neurocognitive disorder should include information on sundowning as part of the training for direct care staff, and should include in the plan of operation a brief narrative description explaining activities available for residents to decrease the effects of sundowning, including, but not limited to, increasing outdoor activities in appropriate weather conditions.