If you are female, dreaming of blood can mean that your menstrual flow is about to start. In that case, "death" could express your dread of cramping and pain as well as the transition from carefree childhood to the anxieties of maturity.
it means you are stuck in a situation you dont want to be and dont know how to get out of it. also it could mean you lost someone you love and wanted to make yourself die to!
it means that you had a dream with a famous person and the death of a loved one.
your crazy
The taste of blood in this dream is a powerful metaphor representing your feelings of guilt and responsibility.
In this dream, the blood could represent your health. Carrying the blood in the bag might suggest that you are taking chances with your health.
It mean you had a bad dream.
If you dream about dying, it probably means that you were consciously or subconsciously thinking about death.
Dreams deal in symbols and metaphors as well as exaggeration. In dreams, "death" represents the end of something, such as a school term, relationship or even the closing of a contract. Blood has entirely separate symbolic meanings, so it simply does not belong in this particular dream.
The answer is on this site: http://predictions.astrology.com/dd/death.HTML
This suggests that the dreamer is coming to accept the reality of that person's death.
Dreams about blood can have many different meanings depending on other elements in the dream. Similarly, dreaming of one's niece could mean many different things depending on what the niece is doing in the dream. A basic principle in understanding dreams is that the dream is about the dreamer, not about other persons that appear in the dream. So the blood and the niece in this dream reflect something about the dreamer's feelings, memories or experiences.
You will lose something minor/major. (an object, person, friend or etc...)
it means you are having a nightmare and nothing else.