Learn about baby milestones in the first 12 months and what to expect from your infant in Month 10 of WebMD’s Baby Month by Month Guide.

On average, a 9-month-old baby needs about 12-14 hours of sleep per day, including nighttime sleep and naps. This can vary depending on the individual baby's needs, but most babies in this age ...

Q. Our 10-month-old daughter doesn't like to fall asleep in her crib, doesn't fall asleep on her own, doesn't sleep through the night. She won't take a bottle or pacifier, either, which means that ...