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If you’re suddenly feeling like your baby’s sleep has taken a step backwards around the four-month mark, you’re not alone – and there’s good news: it’s actually a normal, healthy progression in your baby’s development (even if it doesn’t feel that way right now!).Around this age, your baby’s sleep cycles are maturing to more closely resemble those of an adult. That means instead of simply switching between “awake” and “asleep,” they’re now moving through more complex sleep stages that support things like memory development, cell growth, emotional regulation, and overall brain and body development.
What Does the Four-Month Sleep Regression Look Like?
Every baby is different, but here are some common signs that your little one might be in the middle of this sleep transition: