
“Let’s say you sleep train for two weeks with a younger baby, then you take a vacation and you come home,” said Johnson. It’ll also be easier the second, third and fourth times around. (If he hasn’t, it may be harder to train an older infant who has already developed the habit of waking up.) If you realize it’s time to re-train your baby to sleep on schedule, think of it as a quick refresher course for his original sleep training - provided he previously learned to soothe himself to sleep. A weight check at your pediatrician’s office can ensure that your baby is getting enough calories to grow on schedule. “A kid who was sleeping beautifully suddenly wants to eat all night,” said Dr.

Williamson, but it can also be a sign that her mother’s milk supply is tanking and she’s not getting enough milk during feedings. One reason might be that she’s craving more time with Mom, said Dr. Kate Williamson, M.D., a pediatrician in California and a spokeswoman for the American Academy of Pediatrics, added that a baby may also start waking more frequently when her breastfeeding mother goes back to work. Being sick or in pain, such as when a new tooth arrives, or dropping a daily nap can also knock babies off their sleeping schedules.ĭr. In these cases, they may have become used to having parents in the same room as them while snoozing, or they may have gotten used to a later bedtime. Burnham said.Įven babies who have been sleeping well for months may begin to wake more once they fall out of their normal routines, such as when visitors are in the house or they’re on vacation. “Parents should be prepared and anticipating that at times of major motor milestones, their babies may need more help getting back to sleep,” Dr. Burnham, they may wake more frequently than they used to because their brains are encouraging them to practice their newfound abilities.

When babies develop these major motor skills, according to Dr. Melissa Burnham, Ph.D., an early childhood researcher at the University of Nevada, Reno. When babies gain new motor skills such as walking or crawling, their bodies suddenly require more calories to cruise around, which can increase hunger, said Dr.
