What you wrote shouldn't negatively impact your chances of getting hired. Getting police officer jobs is becoming more and more competitive. However, nothing that you listed would be a major concern with most police departments. Always practice your interview skills before interviews. Learn as much as you can about the department you are interviewing with before the interview. Get a good night's sleep the night before the interview. Eat a healthy breakfast the morning of the interview. Dress appropriately. Be 5 minutes early. When taking a polygraph test, be honest, and try to relax.