Toddler Sleep Regressions | 18-Month, 2-Year & 3-Year Regressions

Toddler sleep regression? Learn the common ages (18 months, 2 years, 3 years), why they happen, and calm strategies to get through them.

'Regression' is a slightly misleading word — most of the time these are 'progressions'. A new skill, developmental leap, or nap transition is disrupting sleep temporarily. The good news: most toddler sleep regressions resolve within 2–6 weeks if you hold the line on your usual approach.

What a sleep regression actually is

The 18-month sleep regression

The 2-year sleep regression

The 3-year sleep regression

What to do during any regression

Look after yourself

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