Newborn sleep patterns: A survival guide

father feeding newborn at night while mother sleeps

If you learn about circadian rhythms and sleep cycles, you can make sense of your newborn sleep, and lay the groundwork for easier nights.

What’s normal? An evidence-based baby sleep chart

older infant sleeping in cot, arms outstretched

How long do babies sleep at night? How many naps do babies take during the day? And what about night wakings? This evidence-based baby sleep chart explains the typical range of variation for babies up to 24 months old.

Baby sign language: A guide for the science-minded parent

smiling mother and infant; baby is gesturing with hands

What is baby sign language? Should we teach babies to sign? There’s no clear evidence that formal training programs yield long-term benefits. But signing may help parents “tune in” to their babies, and certain gestures may make it easier for babies to learn.