© 2021 Gwen Dewar, Ph.D., all rights reserved Does the composition of breast milk change over the course of the 24-hour day? Yes. The “drowsy” hormone, melatonin, reaches peak concentrations in breast milk at night. Cortisol — a stress hormone that promotes alertness — is typically at its highest in the morning....
© 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,...
