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Night wakings at four monthsSleep architecture changes around 16 weeks, and settled nights often come undone.Open the Guide
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4–6 months

3 articles

By age

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  • 4–6 months
  • 7–9 months
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  • Wake windows

    2 articles
  • Naps

    1 article
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    1 article

Start here

  • 6 min read

    Night wakings at four months

    Sleep architecture changes around 16 weeks, and settled nights often come undone.

  • 5 min read

    Why naps end after 30 minutes

    One sleep cycle is about 30 minutes. Waking at the end of one is normal, not a fault.

  • 4 min read

    Wake windows, explained

    How long your baby can comfortably stay awake, and why it changes every few weeks.

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