
It is common for babies to resist sleeping in their cribs, especially if they are under six months old. Newborns and younger infants often need more help sleeping and may only fall asleep in their parents' arms. However, there are several strategies that parents can use to help their nine-month-old transition to sleeping in a crib. These include creating a consistent bedtime routine, understanding the baby's sleep cues, allowing them to self-soothe, and helping them develop day-night differentiation. Additionally, spending more time in the baby's room during the day and offering daily playtime in the crib can help create positive associations with the crib environment.
| Characteristics | Values |
|---|---|
| Time taken for transition | A few nights, possibly longer |
| Age | Older than 4-6 months |
| Room temperature | Cool |
| Dress | Sleeper, snug fit |
| Swaddle or sack | For warmth or security |
| Noise | White noise |
| Bedtime routine | Bath, brush teeth, book, song, rock, place in crib drowsy |
| Self-soothing | Allow baby to fuss for a few minutes |
| Comforting | Verbal soothing, tummy rubbing |
| Room | Dark |
| Sleep associations | Environment, routine, objects |
| Crib location | In the same room as the parents for the first 6 months |
| Crib mattress | Firm, fitted sheets snug |
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What You'll Learn

Establish a bedtime routine
Establishing a bedtime routine is key to helping your 9-month-old sleep in their crib. Babies learn to fall asleep under very specific conditions, so a consistent bedtime routine can help them understand what is happening and make it easier for them to fall asleep.
Firstly, it's important to understand your baby's sleep cues and respond to them. If your baby is well-fed, warm, and has a dry diaper, but they still can't fall asleep, offer comfort as needed. Allow your baby to self-soothe for a few minutes before responding, as this will help with the transition to the crib.
Your bedtime routine should be calming and consistent. It doesn't have to be extensive or complicated. For example, you could give your baby a bath, brush their teeth, read a short book, and sing a song before placing them in their crib drowsy but awake. If your baby startles or fusses when placed in the crib, place a hand on their belly and softly shush or sing to them. You might have to repeat the cuddles and putting them down stage a few times, but this is normal and doesn't mean you're doing anything wrong.
It can also be helpful to incorporate the crib into playtime. Spend 5-10 minutes each day playing with your baby in the crib with songs or games like peek-a-boo. This will help your baby develop positive associations with the crib and view it as a happy and secure place.
If your baby is struggling to adjust to sleeping in the crib, you can try sitting in a chair next to the crib in a dark room until they fall asleep. Gradually move further away each night until you are out of the room. This can help your baby feel more comfortable and secure in the crib.
Remember that this transition takes time and consistency, so don't be too hard on yourself or your baby. It's normal for babies to wake up frequently, and it's important to respond to their needs while also helping them develop healthy sleep habits.
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Make the crib a positive, happy place
Making the crib a positive, happy place is a crucial step in teaching your 9-month-old to sleep in it. Here are some detailed tips to achieve this:
First, it is important to understand your baby's sleep cues and preferences. For instance, newborns are used to white noise, warmth, and full bellies from their time in the womb. Older babies often prefer having their caregiver present and available. Choose bedding that appeals to your baby, and consider adding a swaddle or sleep sack for warmth and security if they are not yet able to roll over. You can also play music or have them spend quiet time in the crib with board books while you are nearby.
Second, establish a consistent bedtime routine that includes the crib. This could be something like bath, brush teeth, book, song, and/or rock, then place them in the crib drowsy but awake. You can also incorporate a short stroller ride or rocking in a chair to calm them before moving them to the crib. A consistent routine helps your baby understand what is happening and reduces the amount of change they experience at once.
Third, spend time in your baby's room during the day and even consider co-sleeping there at night. This helps your baby have positive experiences in the room, making them feel comfortable and secure in their environment. You can also do grounding exercises and activities to help them feel more connected to their space.
Finally, be persistent and consistent. This transition may take a few nights or even longer, and it is important to stay strong once you begin the process. Babies are smart and will quickly learn if they can change the routine. Remember, this is a tough transition for both you and your baby, so be patient and adapt as needed.
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Understand sleep cues and respond to them
Recognizing sleep cues is important for understanding when your nine-month-old baby is tired and needs to sleep. Sleep cues are your baby's way of saying, "I'm tired" or "I need a nap". While some sleep cues, such as yawning, are universal and easy to recognize, others can be more subtle and may vary with age. For example, an infant may stare into space to indicate sleepiness, while a busy toddler may become more rambunctious when tired.
It's important to catch your baby's sleep cues when you can because if you miss them, your baby may become overtired and have difficulty falling asleep. Tired signs and overtired signs are often similar, but amplified when your baby is overtired. For example, your baby may yawn frequently (more than a few times per minute) or experience fitful sleep when they are overtired.
To help you identify your baby's sleep cues, observe them for signs of sleep readiness and create a calm environment. Dim the lights, reduce noise, and set the thermostat between 68°F and 72°F. You can also try singing softly or rocking your baby to sleep.
In addition to recognizing sleep cues, it's important to respond to them promptly. This will help your baby develop healthy sleep habits and follow their natural sleep rhythm as it develops and changes. When you notice your baby displaying sleep cues, start your bedtime routine. This might include a bath, brushing teeth, reading a book, singing a song, and placing your baby in their crib drowsy but awake. If your baby startles or fusses when placed in the crib, place a hand on their belly, shush them softly, or sing to them briefly. If they are unable to self-soothe, offer verbal soothing or a tummy rub until they calm down.
Keep in mind that the transition to sleeping in a crib can take a few nights or longer, depending on your baby's age and previous sleep habits. Be consistent and persistent in your efforts to teach your baby to sleep in the crib. It's also important to provide more support at the beginning of the transition and slowly reduce the amount of support over time as your baby learns to initiate sleep independently.
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Allow babies to self-soothe
Allowing your 9-month-old baby to self-soothe is an important step in their development. It is a gradual process and will take persistence and work on your part.
Firstly, it is important to understand your baby's sleep cues and respond to them. If your baby is well-fed, warm, and has a clean diaper, but still isn't able to fall asleep on their own, comfort them as needed. You can offer verbal soothing or a tummy rub until they are calm.
Next, you can start to encourage self-soothing behaviours. It is best to do this before separation anxiety kicks in, usually around 8 to 9 months. A consistent bedtime routine is key to helping your baby understand what is happening and when to expect sleep. A routine could include a bath, brushing teeth, reading a book, singing a song, and rocking your baby before placing them in the crib drowsy but awake. You can also try to keep nap and nighttime routines similar to provide consistency.
If your baby wakes up during the night, offer them food and comfort as needed, but return them to the crib as soon as possible. Allow your baby to fuss for a few minutes to see if they can put themselves back to sleep. Over time, you can slowly offer less comfort until they are able to initiate sleep independently.
Finally, it is important to create a calm and comfortable sleep environment. Keep the room cool and ensure your baby is dressed appropriately to maintain a comfortable temperature. A fan can help with air circulation, and white noise can mimic the calming sounds of the womb.
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Keep the room cool and comfortable
Keeping the room cool and comfortable is essential for your baby's sleep. A comfortable temperature for your baby to sleep in is between 68°F and 72°F (20° to 22.2°C). If the room is too hot, your baby may feel warm to the touch, have flushed skin, sweat excessively, or appear restless and uncomfortable.
To ensure your baby is at a comfortable temperature, dress them in lightweight clothing and monitor the room temperature throughout the night. You can use a fan to reduce the risk of overheating. Point the fan upwards toward the ceiling instead of directly at your baby. If you’re worried about your baby being too cool at night, turn up the heat slightly, and then monitor the temperature in their room.
You can also keep the curtains and blinds closed during the daytime to prevent the sun from heating up the nursery and help maintain a comfortable temperature for the evening. Ventilation is crucial for keeping your baby’s sleep environment cool in summer and helping them sleep comfortably. When the weather allows, open windows or use fans to circulate air.
The best way to gauge their comfort level is to consider how you feel in the room. If heavy pajamas and sleeping under a heavy blanket make you uncomfortable and sweaty, these extra layers will affect your baby, too.
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Frequently asked questions
It can be challenging to get a baby to sleep in their crib, but there are some things you can try. Firstly, it's important to establish a bedtime routine that you can follow any time your baby is preparing for sleep. This could include a bath, brushing teeth, reading a book, and singing a song. Then, place your baby in their crib while they are drowsy but still awake. This will help them learn how to fall asleep independently. You can also try spending more time in their room during the day and even co-sleeping in there at night to help them feel more comfortable in the space.
It's normal for this transition to take a few nights, and possibly longer depending on your baby. It's important to be consistent and persistent during this time.
It's generally not recommended to leave your baby to cry alone in their crib. Instead, you can sit in a chair next to the crib in a dark room until they fall asleep. You can also try rubbing their tummy or back, and stepping away a little each night.











































