Your newborn baby week 4 can feel like a turning point as your baby becomes more alert and responsive. During newborn baby week 4, you may notice longer wake windows, more eye contact and stronger reactions to sounds and voices. Feeding patterns can shift again, and some babies become fussier, especially in the late afternoon or evening. Sleep is still unpredictable, but small patterns may start to appear. These changes are all part of normal newborn development and signal that your baby is growing and becoming more aware of the world.
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