The Four Month Sleep Regression

My just then turned four month old was ‘the man’ when it came to sleeping through the night. Since he reached three months old he was sleeping 7-8 hours at a time. Then, it was time for him to move to his big boy bedroom and transition from rock n’ play to the crib.

He took to the crib after a few days, but then suddenly he started waking up every 2-3 hours. WHAT?!?!

Apparently, this is what experts call the “four month sleep regression.” This article from Alpha Mom is spot on with my experience!

The four month sleep regression can start as early as three months or as late as five (or even six) months. It happens for a bunch of reasons:

1) A simultaneous growth and developmental spurt.

2) Changes in sleep patterns — around four months a baby’s sleep gets more like ours.

3) Changes in sleep needs — as if there wasn’t enough going on, the baby is probably in the middle of a nap transition, too. This means they are close to eliminating one.

My son is now five months old and worked his way out of the regression – it lasted about a week. Heads up to all of those new moms out there!

Carseat

Written by our Founder & CEO, Lindsay Bell

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