Inclusion Criteria:  Persons with dementia must:  Be English-speaking Have a diagnosis of early-stage dementia based on standard assessments and diagnostic criteria [e.g., Diagnostic and Statistical Manual of Mental Disorders 5 (DSM-5)] Be medically stable and responsive to the environment (e.g., not comatose). If participants with dementia are on any of four classes of psychotropic medications (antidepressant, benzodiazepines, antipsychotic, or anti-convulsant) or an anti-dementia medication (memantine or a cholinesterase inhibitor), the investigators will require that participants have been on a stable dose for 60 days prior to enrollment (typical time frame in clinical trials) to minimize possible confounding effects of concomitant medications.  Exclusion Criteria:  Dementia in the moderate or severe stages Bed-boundedness, defined as confined to bed or chair for at least 22 hours a day for at least four of the previous seven days Are receiving palliative care or are at end-of-life A diagnosis of schizophrenia or a bipolar disorder Dementia secondary to probable head trauma The participant is taking any neuroleptic medications or has any of the following medical diagnosis: (a) restless legs syndrome, (b) delirium, or (c) akathisia, medication-induced, or other movement disorders such as Parkinson's disease or essential tremor.