If you have seen a cockroach in your head in your dream: You can strengthen your relations with your environment, leave lasting effects and increase your self-confidence by using different communication channels. To see a cockroach in your head in your dream means realizing the plans and reaching the goals in a short time, being successful and believing in yourself, using your mind for good things. To kill a cockroach in your head in your dream means that you will not give a chance to malicious people and work hard in order not to be dependent on anyone.