Reacurring Nightmares with a different death each time...

Okay, So I keep having dreams with someone close to me dying. The first time it was my mother and my father. I didn't see them die, or even know how they died. All I can remember is my father coming to school and saying my mom died and then the next thing I know the principal comes along and tells me my dads dead.

Then my best friend and my grandmother dies. This dream, however, has a twist. My best friend is dead in the beggining, again, I have no idea how. Then my grandmother dies, but I'm able to resurrect her if I can find the chest where her soul is hidden, but I have to swim through the ocean to find it (Which is ironic because my grandma lives near the ocean) But I have 3 sisters who absolutely hate me (In real life I have 2 brothers and a sister, but we get along) and one of my sisters drowns me as soon as I find the chest...

The next dream, my cat and my other best friends dies, and that's about it... (I still have no idea how)

And then this one, which I had last night. There was this lady with 3 dogs, all with some sort of disability. One dog ran away in the beggining of the dream, I think. The other dog had what looked like a can over his nose and a bag hanging down from his throat (I think this helped him breath) Also, he was almost comepletely bald, as if his hair was falling out (So you can tell he was very sick in the first place) He was laying on my lap breathing very heavily and died in my arms. The other dog, which I think was the youngest, had a wheelchair strapped to his back legs, but it was a very healthy dog. We couldn't find the dog and we had to call out it's name, but we couldn't remember it. I knew what it was at the begginging of the dream, but I forgot it at the end and I still ccan't remember it. Although, now I think it might be "My Genesis" or something like that...

I've looked them up before but nothing has really related to anything like this. IF you could maybe give me your opinion on what you think it is or to worry or not that would be great. Thanks =D