Breastfeeding helps one-year-old babies sleep longer https://medicalxpress.com/news/2026-06-breastfeeding-babies-longer-age-formula.html Breastfeeding during the first 6 months of life was associated with a decreased risk of short sleep duration in 1-year-old infants https://www.nature.com/articles/s41430-026-01718-1 Japan: A nationwide birth cohort study. Breastfeeding plays a vital role in preventing childhood infections and enhancing many aspects of long-term health.