A typical 4-month-old should get between 12 and 17 hours of shut-eye a day, including nighttime sleep and three or four naps. Still, every baby's sleep needs are different, and it's normal if your ...

The specifics might vary from baby to baby and from family to family, but in general, most 9-month-olds keep a fairly routine sleep schedule. He will likely wake on the early side, take a morning and ...