Breastfeeding and children’s sleep duration at 1 year of age: A nationwide birth cohort – The Japan Environment and Children’s Study. Observational, rife with self reporting bias and disparity of socioeconomic factors.

Medical Mythbusting Commentary for July 21, 2026

Source:
Breastfeeding or formula? Japanese researcher was ‘really surprised’ by results of this study

Reference:
Breastfeeding and children’s sleep duration at 1 year of age: A nationwide birth cohort – The Japan Environment and Children’s Study