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Baby sleep basics: 9 to 12 months

29 Mar 2016


Typical sleep at this age At 9 months, babies typically sleep about14 hours a day, including a nap several times a day for one to two hours at a time.

Ready for sleep training If your baby hasn't yet settled into a sleep pattern that fits your family life, now might be a good time to try some type of sleep training. Sleep training methods can help your baby go to sleep more easily, sleep for longer periods at night, and keep more regular hours.

Sleeping through the night If your baby now sleeps for nine or ten hours at night, it means she's figured out how to settle back to sleep – a sign that you're raising a good sleeper.

If your baby's still waking up at night for feedings, she's probably ready for night weaning, if that's what you choose. But babies this age don't necessarily wake up because they're hungry.

We all wake up several times every night for brief periods of time. And as adults, we put ourselves back to sleep each time – so quickly we don't even remember it in the morning. If your baby hasn't mastered this skill, she'll wake up and cry during the night even if she's not hungry.

Waking up again Don't be surprised if your sound sleeper suddenly becomes a night owl or has a hard time falling asleep at this age. Why? Sleep disturbances often go hand-in-hand with reaching major milestones in cognitive and motor development and with separation anxiety.

At 9 to 12 months, your baby's likely to be crawling, pulling up, and learning to walk. And because she's refining and expanding on these skills, she may wake up at night to practice or be too excited to fall asleep. If she can't soothe herself back to sleep, she'll end up crying for you.

Separation anxiety could also be the cause of your baby's wake-up calls. Waking up and finding you not there may cause some distress. But she'll probably calm down as soon as you enter the room and greet her.

SOURCES: The Babycenter Medical Adivisory Board (2015). Baby sleep basics 9 to 12 months. Baby Center [Online]. Available:


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