I think I need to wake up ur idea about sleeping through the night. Sorry if I sound rude but at 9 weeks it is not anywhere a good time to train baby to sleep through the night. The best that they can ever manage is prob 5 hrs. But baby is too small and has a small stomach so it is natural to wake and ask for milk. Giving pacifier and settling him w it is not a sign that it is ok. Some babies can be coaxed to sleep but pls feed the baby! They need milk to grow and will have a few growth spurts in the first few months of their life so don't just think abt lengthening the sleeping time because it is not in line with their growth and development
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