30 September 2026 · By Rachael

Just When You Thought Sleep Was Sorted... Understanding Sleep Regressions and Developmental Leaps

Sleep regressions can leave even the most confident parents wondering what has gone wrong. From the 4-month neurological shift to toddler bedtime battles, these developmental periods often bring changes to sleep, but they are usually a sign of growth, not a sign that you have failed. Learn what is happening behind the scenes, why sleep suddenly changes, and how to support your child through these common milestones with confidence.