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15-Week-Old Baby

Babylist

Here’s what to know about your 15-week-old baby. This week focuses on sleep, as babies between three and five months often have their first sleep regression. “The first sleep regression is sometimes blamed on babies’ expanding attention to, and interaction with, the world around them,” said Chris Klunk, M.D., a board-certified neonatologist at Pediatrix® Neonatology of Texas. “Newborns don’t have great eyesight, can’t move their heads much and generally have limited ways to appreciate and affect their surroundings. Not so much the case by four months.” Essentially, all the developments you’ve been witnessing over the past 15 weeks – seeing color, tracking objects, recognizing sounds and faces – mean your baby thinks they have better things to do right now than sleep, said Dr. Klunk.

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