First of all, if you have a dream about dead people, this could mean that you are thinking about your inevitable death that will come one day and are dealing with all of the negative emotions that are necessitated by thoughts of death. Of course you could also be embracing your death too but this would be a negative thing. It is nice to be able to come to terms with death and not be afraid, but it is another thing to welcome death or to want it. This is not a healthy attitude because it will lead to you taking silly risks in the future that may put your life in jeopardy. Don’t do this to yourself. If you have a dream in which the dead people are people that you know, it may be because you are worried about the safety of your family and friends in the real world. Make sure to let them know of your misgivings and fears the next time you see them.
If you have a dream of dying people you are going to want to make sure to pay attention to who those dying people actually are in your dreams lest you forget about them someday. These dying people in your dreams are likely people that you really worry about and care for in real life. You want to be able to take care of them so you do the best you can to make sure that that happens. It is all you can do to keep them happy and make sure that they are safe so they do not die in real life.