Battlefield Auricular Acupressure (BAApress) Feasibility Study

Inclusion Criteria: * Patients requiring admission to psychiatric emergency room who also have documented chronic or acute pain * History of chronic or acute pain with or without opioid use disorder * Expected length of stay at least 2-3 days at the time of recruitment * Able to read and understand the informed consent form Exclusion Criteria: * Since this is a feasibility pilot, only English-speaking participants will be eligible. * Cognitive impairment (Intellectual Disability Disorder or Dementia) * Patients who have a legal guardian * Participants with a history of skin disease (e.g., psoriasis) involving the ear, adhesive allergy, recent scar tissue on ear, or current abrasions or cuts on ear, * Use of some types of hearing aids (obstructing the placement of beads)