Attending a wake asks you to eliminate the negative influences of the person whose wake you are attending or a parent / other significant person of the same gender. This influence is holding you back from doing something that will help you develop in a positive way.
To wake up in a dream is very positive and symbolizes having your eyes opened to the reality of your life. This is invariably associated with reaching a level of spiritual awareness that puts you on track for achieving your life purpose. To be woken up is a request for you to wake yourself up to the spiritual reality of your life.