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Baby in crib with parent looking over

Updated on Jan. 14, 2026

2 minute read

Do Breathable Mattresses Help Prevent SIDS?

Emily Oster, PhD

A baby sleeping in a weighed sleep sack.

Updated on Jan. 14, 2026

2 minute read

Are Weighted Sleep Sacks Safe?

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

baby laying on the stomach with blue fabric on top

Updated on Dec. 22, 2025

3 minute read

How Dangerous Is Stomach Sleeping?

Emily Oster, PhD

A person sleeping on bed

Updated on Dec. 17, 2025

7 minute read

Should Adults Nap?

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

A baby sleep stretched across a white pillow.

Updated on Dec. 2, 2025

2 minute read

Should I Wake My Baby to Feed Them?

Emily Oster, PhD

A toddler napping.

Updated on Nov. 26, 2025

1 minute read

How Do I Prepare for Fewer Naps?

Emily Oster, PhD

A car seat.

Updated on Nov. 26, 2025

3 minute read

How Long Can My Baby Spend in a Car Seat?

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

parent and a child sleeping together

Updated on Nov. 3, 2025

8 minute read

What to Know About Co-Sleeping

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

A hospital-style baby blanket stretched out.

Updated on Oct. 16, 2025

3 minute read

Is It Dangerous to Swaddle My Baby Too Much?

Emily Oster, PhD

Powdered formula in a measuring spoon, next to a baby bottle.

Updated on Oct. 10, 2025

2 minute read

Is It Safe to Add Rice Cereal to Baby Formula?

Emily Oster, PhD

A baby sleeping in a crib with pillow and teddy.

Updated on Oct. 8, 2025

2 minute read

Is It Okay for My Toddler to Use a Pillow?

Emily Oster, PhD

A pregnant person lying on the back in bed.

Updated on Oct. 7, 2025

7 minute read

How Important Is Side Sleeping When Pregnant?

Emily Oster, PhD