Still, his theories spurred the growth of psychology, and some of his ideas ... inner conflicts in specific ways is widely accepted. Regression: Reverting to the behavior or emotions of an ...

Four-month sleep regression results in a sudden change in sleep patterns that may cause worry in new parents. It is a condition where four-month-olds, who had previously been sleeping well ...

This phase, called a sleep regression, is a normal part of a baby's development – though that doesn't make it any easier to deal with. Here's how to help your baby get back to sleeping soundly.