To any parent rocking their insessantly crying baby and wondering what they're doing wrong, Swedish researchers have some consolation: It may simply be down to the genes. Oliver Berg/dpa How much a ...

The sound slices through the quiet of the night: a muffled sob, then a hiccup, quickly escalating into a high-pitched, frantic wail. For any parent or caregiver, this is a familiar, urgent call to ...

It is an all-too-common scenario—a baby is up all night crying, and an exhausted mother gets in and out of bed to care for the infant. The father sleeps soundly next to her, seemingly oblivious to the ...