I am so sorry you are in such pain. We have all been there and I know how devastating this can be
Can you provide some background? How long have you been married, ow mnay kids do you have? Etc.. Most people have posted that information on the botom o the posts. It's gives insight into the situation. Are you still livin together? Has he moved out? How long has this been going on?
Please know that your feelings will get better. Have you spoken to a therapist or psychiatrist? It may be that you need some meds to even yourself out which may take a couple of months. I am obviously not a doctor but I don't like reading about your wanting to not wake up.
Keep you chin up - everyone on this board is very supportive and are pulling for you.