K.H.
Have you tried putting a little cereal in his bottle? Use one of the bigger nipples so he can get it through... he won't even know its there but it may fill his tummy enough to keep him sleeping. Also, when my young one woke up in the night and it wasn't b/c he was hungry, I would rub his back or tummy, turn on his mobile and leave him. Sometimes they just need to work it out. Tell him Mommy is here and he'll learn to sleep again!