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Evidence-based sleep advice

Baby Sleep Blog

Free tips, guides, and advice for every age and stage — from newborn to toddler

Showing 6 articles in Age Guides

Toddler standing in a cot holding the railing at bedtime
Age Guides

Toddler Sleep at 18-24 Months: Regressions, Boundaries, and What to Expect

Why does sleep fall apart at 18 months? Understand the 18-month regression, boundary testing, climbing out of the cot, and how to navigate this intense developmental stage.

·9 min read
A toddler around 14 months old being read a bedtime story in a calm, dimly lit room
Age Guides

Toddler Sleep at 12 to 18 Months: The Complete Guide to This Intense Stage

A complete guide to 12-18 month sleep — the 12-month regression, 2-to-1 nap transition, walking, separation anxiety, molar teething, and early boundary testing.

·11 min read
Newborn baby sleeping
Age Guides

Newborn Sleep: The Complete 0-3 Month Guide

Everything you need to know about newborn sleep — what's normal, safe sleep essentials, the fourth trimester, and when it gets better. Evidence-based guidance for UK parents.

·10 min read
A baby around 10-11 months old standing in their cot, holding onto the bars
Age Guides

Baby Sleep at 9 to 12 Months: The Complete Guide to This Busy Stage

Everything you need to know about 9-12 month sleep — pulling to stand, the 12-month regression, separation anxiety at its peak, teething in batches, and approaching the nap transition.

·11 min read
A baby around 7-8 months old sleeping peacefully in a cot with a sleeping bag
Age Guides

Baby Sleep at 6 to 9 Months: What Changes, What Is Normal, and What Helps

A complete guide to 6-9 month sleep — the 8-month regression, 3-to-2 nap transition, separation anxiety, starting solids, and safe sleep updates for this age.

·11 min read
Baby sleeping on their side
Age Guides

Baby Sleep at 4-6 Months: Everything Changes

At 4-6 months, your baby's brain upgrades its sleep system — and everything shifts. Learn what's changing, why, and what you can do about it. Evidence-based UK guide.

·9 min read

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