Sleep through the night. Most babies are able to sleep through the night – or sleep for at least six hours without waking up to eat – sometime between 3 to 6 months of age. Healthy babies who are born full-term are generally able to sleep through the night without a feeding starting at 3 months of age or when they weigh 12 to 13 pounds. However, babies’ sleep cycles only become consistent and predictable around the time they’re 6 months old.
Just because babies are technically able to go through the night without a feeding, however, doesn’t mean they will. Night wakings can happen for many other reasons, including separation anxiety, an inability to self-soothe back to sleep, sleep regressions, teething, and bed-sharing.
If your baby doesn’t start sleeping through the night without a feeding between 4 to 6 months of age, you can try night weaning. There are lots of different sleep training methods, from the cry-it-out method to the fading method.
How long should a newborn sleep through the night without eating?
Newborns generally sleep for two to three hours before waking to eat, day and night. As they get older, babies are usually able to sleep for increasingly longer stretches of time at night without waking to eat.
Between the age of 2 to 3 months old, healthy babies are often able to sleep for six hours without feeding. Research suggests that about half of babies are able to sleep at least six hours without a nighttime feed by 3 months of age. That rate rises to 62 percent by 6 months of age and 72 percent by 12 months of age, according to the National Sleep Foundation.
So how can you prepare your baby to sleep longer periods at night without eating? Start healthy sleep habits early. Help your newborn learn to fall asleep on their own by following a bedtime routine, putting them to bed when they’re sleepy but still awake, and waiting for a few minutes to respond to their fussing when they do wake at night. Although your baby may still need to be fed during the night for some time, these tactics help them learn to nod back off without the help of your breast, arms, or a bottle.
If your baby was premature or has other health considerations such as digestive problems or failure to gain weight, be sure to discuss their feeding schedule with their doctor before making changes.
Should you wake a sleeping baby to feed?
For the first one to two weeks of life – or until your newborn regains the weight they lost after birth – it’s important that they wake up to eat about every two to three hours. Newborns usually do this on their own, but occasionally will sleep for longer. If your baby does sleep for a stretch of more than four hours during this period, wake them to eat.
After the first couple of weeks, when babies surpass their birth weight, most healthy babies don’t need to be woken to eat as long as they’re growing and feeding well. That means they’re gaining weight as expected and producing at least four wet diapers and three poopy diapers per day. Talk to your doctor if you’re concerned about your baby’s growth or feeding habits.
What if my baby won’t wake up to eat?
If your baby is healthy, has passed their birth weight, and is feeding and growing steadily, you usually don’t need to wake them to feed. Unless their doctor tells you otherwise, let your baby sleep – they’ll let you know when they need to eat!
If, however, your baby hasn’t yet surpassed their birth weight, or if they were premature or aren’t growing as expected, you do need to rouse them to eat anytime they sleep for more than four hours straight.
Know that newborns sometimes have a hard time waking up to eat for the first few days, especially if:
- they’re small
- they have jaundice
- you had a difficult labor
- you had an epidural or other pain reliever during birth
If your baby is lethargic and uninterested in eating, these tips can help a groggy baby wake to feed:
- Look for signs that they’re in a light sleep cycle, which include flutters under closed eyelids, arm and leg movements, and sucking movements.
- Be sure the room is cool (around 18 C or 65 F) and your baby isn’t overdressed, since being too warm makes babies sleepier.
- Try skin-to-skin contact and/or a laid-back breastfeeding position, which can encourage feeding.
Premature babies have unique nutritional needs and may not show hunger signs like crying.
If your baby is premature, or if you’re concerned about your baby’s weight gain or feeding patterns, talk to their doctor about how to ensure your baby is getting enough to eat.
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