Cranial Electric Stimulation to Modify Suicide Risk Factors in Psychiatric Inpatients.

Inclusion Criteria: 1. Subject must be a patient admitted voluntarily to the UMMC adult psychiatric inpatient services with suicidal thoughts / intent / plan or suicide attempt who also has MSRFs including anxiety, agitation, insomnia, and/or depression). 2. Subject must be between the ages of 18 and 65 (inclusive). Both men and women will be included 3. Subjects who are female must have a negative pregnancy test prior to enrolling in the study, and must be practicing at least one or more the following methods of contraception during the study: intrauterine device (IUD), barrier method in combination with a spermicide, or oral/hormonal contraception or abstinence, which is typically the case on the inpatient units. 4. If a subject has a substance abuse disorder, they must also have another non-substance abuse psychiatric disorder as determined from the clinical history. 5. Chronic medical conditions such as endocrine disease, hypertension, renal disease, must be stable. 6. Subject must be capable of giving informed consent. Subject must provide written informed consent prior to study participation. 7. Subject must be capable of doing active or sham CES treatments and completing all study requirements. Exclusion Criteria: 1. Subject has a significant medical disorder with acute symptoms which could impair reliable participation in the trial or affect their MSRFs. 2. Subject is pregnant. 3. Subject has had concomitant therapy with another investigational drug, or participation in an investigational drug study within one month prior to entering this study. 4. Subject has a clinical history of poor compliance or in the investigator's judgment participation in the study would be clinically contraindicated. 5. Subject has current or past behavior that suggests to the investigator that his/her suicidal behavior is driven by secondary gain, i.e. expressing suicidal thoughts so that s/he can be admitted due to homelessness.