Does a human being know they’re dead once they die?

Contributor | My grandmother died in the middle of the night when I was five years old. She came into my room and woke me and sat on the edge of the bed and told me that my mother was going to go through a very difficult time and even though I was so young, I was going to have to help her. When I get up the next day, I told my mother what happened and that Nana had died. 15 minutes later, my two aunts came to the door to tell my mother that she had died about the same time that she had visited me I have never had any fear of death , mostly because of this. I know there is something after we die and I know she looked strong and healthy. She had not been in life.