When do babies sleep through the night?

yawning mother holds baby in her arms

© 2021 Gwen Dewar, Ph.D., all rights reserved Studies suggest that most babies begin to “sleep through the night” (at least 5-6 hours without parental intervention) by 3-6 months of age. But some infants take longer, and the road to progress can be bumpy. Even after babies experience their first, long episodes of nighttime sleep, … Continue reading

What’s the right age to start potty training? It depends on your goals

toddler lifts the lid of a toilet

© 2021 Gwen Dewar, all rights reserved In Western countries like the United States, many children begin toilet training sometime between 24 and 36 months.  But from an historical and cross-cultural standpoint, this timing is very late, and it comes with a downside. So what’s the right potty training age? It depends on your child, … Continue reading

Babies expect fairness, and they prefer people who behave with fairness

© 2020 Gwen Dewar, Ph.D., all rights reserved Babies expect adults to share resources equally. They prefer people who behave with fairness. But babies are also learning about selfishness and favoritism. Can we become the role models our children deserve? Everyone should get a fair share. It’s the organizing principle of hunter-gatherer societies, and a … Continue reading

Infant crying, fussing, and colic: A thinking parent’s guide

father conforts crying infant

Are you coping with infant crying, fussing, or colic? Babies everywhere cry, especially during the first 3 months after birth. Even chimpanzees follow this pattern (Bard 2004). Like it or not, crying is a universal mode of communication for our species. But that doesn’t mean we’re helpless to improve the situation. Parents can have an important … Continue reading

Moral sense: Babies prefer underdogs and do-gooders

mother holds smiling infant in the air

Do babies have prosocial impulses? Do they feel empathy? A preference for do-gooders? An inclination to be helpful? Do babies know right from wrong? Let’s be clear: We shouldn’t hold babies responsible for moral transgressions. They can’t anticipate all the consequences of the things they do. If your baby hits you in the face with … Continue reading

Breastfeeding on demand: Benefits, questions, and evidence-based tips

Gaugin painting detail of breastfeeding

© 2019 Gwen Dewar, Ph.D., all rights reserved Breastfeeding on demand (also known as “responsive feeding,” “feeding on cue,” and “baby-led” feeding) is the practice of responding flexibly to your baby’s hunger cues. You initiate feedings when the baby requests them, and continue each feeding session until the baby is satisfied. You don’t impose time … Continue reading

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