What Causes Migraines Headaches, Night Sweating And Vomiting Yellow Bile?

I suffer from migraine headaches, I notice a change in them, My head feels like its going to fall off my neck, my neck feel stiff and painful I feel confused and if I try to think the pain and confusion gets worst. the night sweats are horrible, I end up soaking wet and shivering, also after a night like this. Im throwing up to the point of yellow bile and dehydration and I don t sleep i