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4-Month Sleep Regression: A Parent Survival Plan That Actually Works

A practical 7-day plan to handle the 4-month sleep regression with less stress, better naps, and calmer nights.

20 de abril de 20267 min readBabyLogic Editorial Team
Mother soothing baby in a softly lit nursery at night

Why the 4-month phase feels so intense

At around 14 to 18 weeks, your baby's sleep cycles mature. They start waking between cycles more often and need help linking sleep independently.

This phase is exhausting, but it is also developmental progress. Your baby is not broken and you are not doing anything wrong.

Your 7-day reset framework

Fix wake windows first. Keep the first window shortest and avoid overtired bedtime spirals.

Anchor bedtime and wake time within a 30-minute range. Consistency helps your baby's body clock regulate faster.

Use one soothing method for 3 to 4 nights before switching. Frequent strategy changes often increase crying and confusion.

When to ask for extra support

If feeds drop sharply, weight gain slows, or your baby seems persistently uncomfortable, check with your pediatrician.

Use plans as structure, not pressure. Calm, repeatable routines beat perfect routines.

Need a personalised plan instead of generic advice?

Tell us your baby's age, feeding type and your biggest current struggle. We build a day-by-day action plan parents can actually follow.

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