
It is perfectly normal for newborns to only sleep in your arms. This is because they have spent nine months in the womb, enjoying the comforts of ambient sounds and surroundings. They crave the warmth, scent, and heartbeat of their caregivers, which helps them relax and settle into sleep. This phase is often called the fourth trimester, a crucial developmental stage where newborns adjust to life outside the womb. It is a time to build a strong bond with your baby and meet their need for closeness and security. While it's important to be responsive to their needs, you can also start acclimatizing them to their crib or bassinet during their awake periods, creating positive associations with their sleep space.
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What You'll Learn

This is a normal developmental stage for newborns
It is perfectly normal for your newborn to only sleep in your arms. The first three months of a baby's life are often referred to as the "'fourth trimester'", as newborns are still adjusting to life outside of the womb and crave the closeness and security that they had in the womb. During this developmental stage, it is essential for newborns to be close to their caregivers, as this helps them feel safe and comfortable, enabling them to achieve deep and restorative sleep.
Biologically, the fourth trimester is a significant developmental period for newborns. They have spent nine months in the womb, enjoying the cozy environment and the familiar sounds and surroundings. It is only natural for them to seek the same comfort and security in their early months of life. Your newborn associates your arms with the warmth, scent, and heartbeat they experienced in the womb, which helps them relax and fall asleep.
In addition to meeting their biological needs, allowing your newborn to sleep in your arms also provides an excellent opportunity for bonding and building a deep and loving relationship with your child. This stage is fleeting, and many parents cherish these moments of closeness and cuddles with their little ones. It is important to remember that this is a normal developmental stage, and you are not alone in experiencing it.
While it is natural and beneficial for your newborn to sleep in your arms, it is also important to prioritize your own rest and well-being. You can gradually introduce your baby to sleeping independently in a crib or bassinet. This process takes time and consistency, and it is essential to be responsive to your baby's needs during this transition.
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It helps to recreate the comfort and security of the womb
Newborns tend to sleep in their parents' arms because it helps recreate the comfort and security of the womb. This phase is often called the "'fourth trimester', a huge developmental time frame for newborns as they adjust to life outside the womb. In the early days, it is necessary to hold newborns for sleep, at least some of the time, to give them the closeness and security they need. Babies who nap on their caregivers often sleep longer and deeper, getting the restorative rest they need for growth and development.
Newborns spent nine months in the womb, enjoying the cozy quarters and ambient sounds and surroundings. It is only natural for them to crave the creature comforts they became so accustomed to. Your heartbeat, scent, and warmth are comforting, helping them relax and settle into sleep. At this stage, babies often associate sleep with being held. This is not a bad habit—it's simply part of their development as they adjust to life outside the womb.
Imagine yourself as their external womb. Unlike you, their cot is cold, still, and unfamiliar. You can begin by spending some time acclimatising them to their cot during their awake "window". You might like to practice gently lowering them in. Once there, you could sing, smile at your baby, and play with them so that they build up positive associations with the cot.
In the first three months of life, use touch, movement, and sucking to help comfort your baby and satisfy their neonatal reflexes, which will enable them to fall asleep. Holding your newborn in your arms is the ultimate reward after a long and exhausting nine-plus months of pregnancy. Nothing fills your heart with joy quite like watching those tiny eyelids flutter as you cradle your little one.
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It can help to build a strong bond between parent and child
Newborns tend to sleep in their parents' arms because they have spent nine months in the womb, enjoying the cozy quarters and ambient sounds and surroundings. It is only natural for them to crave the creature comforts they became so accustomed to. This phase is often called the ""fourth trimester"" as your baby is still very young and craving closeness to you. They feel most at ease in your arms, and this can be a perfect opportunity to build a loving trust bond and connect with your baby on a deep level.
Your baby has been held in the womb for nine months and thus gravitates towards that type of holding, both physically and emotionally. This is a great time to acknowledge and lean into this need and recreate it in other ways. Your baby will feel loved, safe, and secure in your arms, and this can help to build a strong bond between parent and child. Your heartbeat, scent, and warmth are comforting, helping them relax and settle into sleep.
Babies who nap on their caregivers often sleep longer and deeper, especially in the early weeks. This helps them get the restorative rest they need for growth and development. This is also a great time for quality bonding time, and you can help your baby co-regulate their stress thermostat by being responsive to their needs. Touch, movement, and sucking can help comfort your baby and satisfy their neonatal reflexes, which will enable them to fall asleep.
While this stage is important for bonding, it is also important to remember that always holding your baby while they sleep can inadvertently form an association that may be harder to break as they get older. It is also important to be mindful of your own needs and well-being, as holding your baby for every nap may not be sustainable in the long run. Gradual changes and consistency can help with the transition to independent sleep.
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It may become a habit if it continues for too long
It is natural for newborns to want to sleep in your arms, and this phenomenon is often referred to as the fourth trimester. After spending nine months in the womb, newborns crave the creature comforts they were accustomed to, such as ambient sounds, closeness, and security. This is a crucial developmental stage for newborns as they adjust to life outside the womb, and it is almost like a developmental stage post-birth.
However, if sleeping in your arms continues for too long, it may become a habit for the baby. As sleep consultant Zentz notes, "Sleep is a skill—and how a baby learns to fall asleep is how they expect to fall asleep every time". Thus, if a baby has spent several months being rocked to sleep in your arms, they will expect the same treatment every time they sleep. This can create an association that may be challenging to break as they get older, and most parents find it unsustainable as it impacts their sleep and daily routine.
If you are concerned about this habit forming, you can try to gradually transition your baby to sleeping in their crib or bassinet. Focus on transitioning one nap at a time, such as the first nap of the day when the baby is usually less tired. Place your baby in their crib while they are drowsy but still awake, and if they resist, offer comfort by patting their back or gently rocking them. Remember that this is a process, and your baby will take time to adjust. Consistency and patience are key.
Additionally, you can try to acclimatize your baby to their crib or bassinet during their awake periods. Spend time with them in their crib, singing, smiling, and playing with them to build up positive associations with the space. This will help them feel more comfortable and secure in their designated sleeping area.
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There are ways to transition your newborn to sleeping independently
It is perfectly normal for newborns to only sleep in their caregiver's arms. This phase is often called the "fourth trimester", as the baby is still craving the warmth and safety of the womb. However, there are ways to transition your newborn to sleeping independently.
Firstly, it is important to understand that newborns and young babies cannot self-soothe yet, so they need your help to fall asleep. You can rock or nurse them to sleep, but try not to make this a habit, as it will be harder for your baby to learn to fall asleep without you. Instead, put your baby in their crib when they are drowsy but still awake, and let them try to fall asleep on their own. If they start to fuss, you can stay close by and offer gentle reassurance without picking them up.
Another way to help your baby sleep independently is to establish a calming nightly routine and a consistent bedtime. A bedtime between 7 and 8 pm often works well for young children. You can also try using a pacifier, which can help your baby calm down and may even reduce the risk of sudden infant death syndrome (SIDS). Additionally, you can engage in calm activities before bedtime, such as listening to soft music, reading, or singing lullabies.
It is also important to remember that babies are "carry" mammals and need to be close to their caregivers during the early months. You can spend time acclimatizing them to their crib during their awake periods. Lower them gently into the crib, and then sing, smile, and play with them to build up positive associations with the sleeping space.
Finally, you can consider using a sleep training method such as the "cry it out" method or the wake-and-sleep method. Sleep training is about teaching your baby that they are capable of falling asleep independently and self-soothing when they wake up in the middle of the night. However, it is important to note that sleep training should be based on your baby's development, and traditional sleep training is usually recommended for babies between 4 and 6 months old.
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Frequently asked questions
Your newborn only sleeps in your arms because they feel most at ease and secure in your arms. They have been used to hearing your heartbeat and feeling your warmth in the womb for nine months. This phenomenon is called the fourth trimester, where newborns crave the creature comforts they were used to in the womb.
No, it is not bad for your newborn to sleep in your arms. In fact, it is perfectly normal and even beneficial. Your newborn will get solid sleep and you will both enjoy some quality bonding time. However, always holding your baby while they sleep can form an association that may be harder to break as they get older.
You can start by spending some time acclimatising them to their crib or bassinet during their awake hours. You can practice gently lowering them into their crib or bassinet while they are drowsy but awake. If they resist, offer comfort by patting their back or gently rocking them in the crib.











































