If you have dreamed that your sibling is sick in your dream: The strength of your behavior may cause everyone to prefer you. Plans that will strengthen your relationships that you care about will help you have a pleasant day. If your sibling is sick in your dream, it signifies good developments, trouble-free life and increased self-confidence, if there is no patient in the household, troublesome difficult days if there is a sick person in the household and the events that have taken place affect you deeply.