Sleep Patterns of baby is kind odd, she wakes up by 0530 and sleeps at 0730 or 0800 sometimes. Again wakes up in exact two hours around 1100 and go to sleep by 1230 till 1430 and hear on she wakes up only to drink milk n sleep back every two or three hours and finally wakes up by 0030 again in an hour she sleeps again wake up 0330 then back to 0530. is this normal sleeping patterns I tried sleep train her but she won't wake up accordingly so I had to let her sleep as she wants feeding her on demand.please suggest.