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child sleeping on a couch

Updated on Mar. 17, 2026

9 minute read

Sleep Survey Results: The Naps

Emily Oster, PhD

A baby sleeping peacefully.

Updated on Mar. 13, 2026

2 minute read

Did Denmark Ban Sleep Training?

Emily Oster, PhD

A window in a house is lit up in the night with a full moon.

Updated on Mar. 3, 2026

2 minute read

How Can I Nighttime Potty Train My Child?

Emily Oster, PhD

A toddler tries to open their sleeping parent's eyes at night.

Updated on Mar. 2, 2026

3 minute read

How Do I Keep My Preschooler in Bed at Night?

Emily Oster, PhD

A baby sleeping while a hand is touching the baby's head.

Updated on Feb. 5, 2026

15 minute read

Is Sleep Training Bad?

Emily Oster, PhD

A baby sleeping.

Updated on Dec. 23, 2025

4 minute read

Do I Really Have to Sleep Train?

Emily Oster, PhD

Child naps with a smile on a cloud made of cotton.

Updated on Dec. 22, 2025

11 minute read

Sleep Survey Results: The Night

Emily Oster, PhD

An infant swaddled by a parent.

Updated on Dec. 10, 2025

2 minute read

What Does the Data Say About Getting Infants to Sleep?

Emily Oster, PhD

Small child laying on their parent in bed with a stuffed animal.

Updated on Nov. 10, 2025

2 minute read

How Can I Get My Child to Sleep in Their Own Bed?

Emily Oster, PhD

A parent holds two sleeping babies.

Updated on Oct. 24, 2025

8 minute read

Are Newborn Wake Windows Real?

Emily Oster, PhD

Updated on Sep. 2, 2025

7 minute read

Are Sleep Regressions Real?

Emily Oster, PhD

A parent lifting a baby from the bassinet.

Updated on Aug. 19, 2025

2 minute read

Is My Scent Waking Up My Hungry Baby?

Emily Oster, PhD

A baby lying on a sleeping parent's chest.

Updated on Jul. 2, 2025

2 minute read

What’s the Data on Contact Napping?

Emily Oster, PhD

A mobile made of colorful origami fish on a white background.

Updated on Jun. 17, 2025

3 minute read

Is It Better to Co-Sleep or Sleep Train a 1-Year-Old?

Emily Oster, PhD

Black alarm clock laying on a pile of lined sheet paper next to a white surrender sign that says HELP in red ink.

Updated on Apr. 14, 2025

2 minute read

Do I Need to Move Bedtime for Daylight Saving Time?

Emily Oster, PhD

Four children smiling and jumping with hands raised into the air.

Updated on Apr. 13, 2025

8 minute read

What Does Matter for Childhood Outcomes?

Emily Oster, PhD