sleeping baby waking up every 2 hours????

[sheilaloh]

My 1++ year old infant started this a few weeks ago, I only feed her every 5-6 hours overnight but she still wakes up every 2 hours ALL NIGHT LONG from when she goes to bed at 7pm. She just started fussing with crying, sometimes for almost 2 hours. Has anyone that suffered from similar situation? How do you guys sort it out?? thank you