Hi all.. I'm sure this has been posted before but I'm desperate!!!

My baby girl is 8 months and she still doesn't sleep through the night. She wakes up every two hours to nurse..(probably uses me as a pacifier). I'm not getting enough rest at all as I have a toddler to take care of too.. my maternity leave is almost over and I have a demanding job.. worried how I'm going to make it back to work..

I've tried the cry it out method.. but didn't work.. she would just cry and cry and cry till she pukes...

Any tips??? Help!!!