The Baby Insider — Evidence-based answers for the first five years

A sleeping newborn lying on their back in a wooden cot, bare apart from a fitted sheet

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Newborn Wake Windows: What the Evidence Actually Supports

Wake window charts fill parenting social media with almost no evidence behind them. Infant sleep research supports far less than the grids imply, and your baby's cues beat a stopwatch.

When Do Babies Roll Over? The Real Range, Not the Deadline

What the Latest Safe Sleep Guidance Actually Changed

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Subscribe to our parenting newsletter for weekly, doctor-reviewed guidance on sleep, feeding and development — plus honest product picks.

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