J.H.
As you know, nothing with babies is routine! My daughter just turned 6 months old and still gets up to eat twice a night, even after eating cereal approx. 1 hour before bed! The only thing that has worked for me is once she gets up to eat I just put her in the bed with me and nurse her laying down. We both fall right back to sleep when she's done. I work full time too and I know how important it is to get sleep and this is the only way I can get it! There are some many pros & cons to sleeping with your baby but you need to figure out what works for your family. She always starts out in her crib but once she wakes up I keep her with me in my bed for the rest of the night. Try it out, you have nothing to loose but sleep lol! Good luck.