Assessing Improvements in Mood and Sleep Trial

Inclusion Criteria: * Age 55 Years and older * Patient Health Questionnaire -9 score of 10 or higher * Past month Scale for Suicide Ideation score of 3 or higher OR any history of suicide attempt * PROMIS Sleep Disturbance or impairment scale t-scores of 55 or higher * Pharmacotherapy for depression meeting minimum adequate dose level as defined by FDA approval documents for at least 4 weeks. Exclusion Criteria: * Active suicide planning with intent or clinical judgement that suicide risk is too high for outpatient treatment OR being currently treated at an inpatient unit. * Bipolar disorder * Psychotic disorder * Borderline personality disorder. * Active Cognitive/Behavioral Therapy (e.g., CBT-I), current or upcoming esketamine (ketamine) treatment, or active phase of ECT/TMS treatment course. * Illness with life expectancy of less than 1 year or plans to leave the study area * Incapacity to consent/dementia diagnosis * Active substance use disorder of at least moderate severity * Active night-shift work * Any physical, mental, or neurological condition that would make participation in the study, including either treatment arm, unsafe or infeasible.