The 4 month sleep regression is the first of a few that are likely to invade your baby's life over the coming year. Baby will likely experience another regression around 9 months and again around 18 months. However, the 4 month sleep regression is in a category all its own.
What is so special about the 4 month sleep regression?
Mental and physical milestones
This is because the 4 month sleep regression is totally unique for two reasons. First, it's really a progression, not a ...
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