K.S.
Dr Ferber's Solving your child's sleep problems has ideas for all ages. I have used it like a handbook for both of my boys at all different stages and with all different issues. It is FANTASTIC and has saved my marriage too I am pretty sure!!!! No one is happy when no one is sleeping!!! Good luck to you, it will get better once you start some intervention. Most of Ferber's methods only take a few nights. In some cases with my boys, it only took one!