I also need to deal with this problem as well.. Xander has decided that 2 hourly comfort feeds during the night are required. I'm a walking zombie and barely functioning during the day - and consequently loosing even more weight.
Someone suggested that to cut back the duration of the comfort feed each time (and only offer water or dummy etc after this)... I'm currently trying this so will let you know how we go. Occasionally DH will go to him, but my DH with little sleep is terrible, so not really worth it!