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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 25 articles in For US Parents

For US Parents

The 3-Year-Old Sleep Regression: A Parent's Guide

Why sleep falls apart at age 3 — imagination, dropped naps, preschool, big-kid beds — and what helps, from bedtime scripts to the honest word on melatonin.

·10 min read
For US Parents

Preschooler Bedtime Battles: What Actually Works (Ages 3–5)

Curtain calls, stalling, and endless room exits at bedtime? What works for 3-5 year olds: boundary scripts, the bedtime pass, gradual retreat, and consistency.

·10 min read
For US Parents

Toddler Waking Too Early: How to Reset 5am Starts

Toddler waking at 5am? How to reset early rising in 2-4 year olds: sleep pressure, naps, light, wake-up clocks used honestly, and scripts for 5am itself.

·10 min read
For US Parents

Your Toddler Won't Stay in Bed: What Actually Works

Your toddler keeps getting out of bed? What works at 2 to 4: calm returns, the bedtime pass, gradual retreat for anxious kids, and one rule on locked doors.

·10 min read
Nursery with natural light from a window
For US Parents

What Temperature Should Baby's Room Be? The 68-72°F Guide

The commonly recommended 68-72°F range, why overheating is a SIDS risk, how to dress baby by sleep-sack TOG, AC and heatwave tips, and overheating signs to watch.

·9 min read
Folded baby blanket on a plain surface
For US Parents

Are Weighted Sleep Sacks Safe for Babies? What the AAP Says

The AAP's 2022 safe sleep policy advises against weighted sleepers, swaddles, and blankets. Here's why weight is a risk, what to use instead, and how to transition.

·8 min read
Baby wrapped snugly for sleep
For US Parents

When and How to Transition Out of the Merlin Magic Sleepsuit

When to stop the Merlin Magic Sleepsuit (rolling is the hard stop), cold-turkey vs one-arm-out methods, what to use next, and what sleep disruption to expect.

·9 min read
Baby lying awake in a crib
For US Parents

The Ferber Method: Check-In Times Chart + How It Actually Works

The Ferber method explained plainly: a check-in interval chart, what the checks are for, common failure modes, and when it's not appropriate.

·10 min read
Peaceful sleeping baby
For US Parents

When Can You Start Sleep Training? Age-by-Age Honest Answer

When can you start sleep training a baby? An honest, age-by-age guide from newborn foundations to the 4-6 month window, toddlers, preemies, and when to wait.

·10 min read
Tired baby yawning
For US Parents

Sleep Regression Ages: the Full 4-24 Month Chart

Every baby sleep regression age in one chart: 4, 6, 8-10, 12, 15, 18 and 24 months — the cause, how long it lasts, and the single biggest fix for each.

·9 min read
A baby sleeping on their back in a bare crib after transitioning out of a responsive bassinet
For US Parents

Transitioning Out of the SNOO: When + How (Without Losing Sleep)

When to start weaning off the SNOO, how the step-down plan works, what to expect night by night, and what to do if the transition reveals a settling-skill gap.

·11 min read
A parent lifting a sleeping baby out of an infant car seat to move them to a firm flat sleep surface
For US Parents

Car Seat Naps: What's Safe and What Isn't

The AAP position on car seat sleep: fine supervised in the car, not safe out of it. Positional asphyxia risk, the move-them dilemma, and road-trip nap planning.

·10 min read

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