Crying and waking up in the middle of night are routine during any newborn’s first few months. But if those wailing episodes continue on a regular basis past the first year, then they may signal possible behavioral problems down the road.
That’s what researchers in Europe found when they analyzed nearly two dozen studies on something developmental experts call regulatory problems — which include trouble sleeping, continuous crying and difficulty feeding. The researchers report in the journal Archives of Disease in Childhood that infants who consistently cry and wake up at night past their third month are nearly twice as likely to develop problems such as attention deficit hyperactivity disorder (ADHD), depression, anxiety, aggressive behavior or conduct disorders by the time they begin school.
Full story: Does your baby cry too much at night? It could signal future behavior problems