
Sleeping on the tummy is not recommended for babies under one year old. Research shows that placing babies on their backs to sleep reduces the risk of sudden infant death syndrome (SIDS). However, once a baby can roll over confidently in both directions, it is generally considered safe to let them sleep on their tummy. This typically happens around the six-month mark, but some babies may start rolling over as early as three to four months old.
| Characteristics | Values |
|---|---|
| Safe sleeping position for a 3-month-old | On their back |
| Safe sleeping environment | A crib, bassinet, portable crib, or play yard with a firm, flat surface and a fitted sheet |
| Tummy time | Supervised tummy time for 3-5 minutes during the day to develop strength and motor skills |
| Risk of SIDS | Increased risk of SIDS if sleeping on the tummy |
| Rolling over | Babies may start rolling over between 3-6 months |
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What You'll Learn
- It is recommended that babies sleep on their backs for the first 12 months
- Babies should be placed on their backs until they can roll over both ways
- Sleeping on the tummy increases the risk of SIDS
- Tummy time helps babies develop neck, shoulder, and arm muscles
- Babies should sleep on a firm mattress with no loose bedding

It is recommended that babies sleep on their backs for the first 12 months
While it is recommended to place babies on their backs for sleep during the first 12 months, if a baby rolls from their back to their tummy on their own during sleep, it is okay to let them stay in that position. This is because babies at this developmental stage have the agility to protect themselves from whatever it is about tummy sleeping that increases the risk of SIDS. They are also likely to be strong enough to roll back onto their backs if needed.
To help babies develop the strength and agility to roll over and protect themselves, it is recommended to practice "tummy time" during the day. These are supervised sessions of 3 to 5 minutes where a wide-awake baby is placed on their belly to strengthen their neck, shoulder, and arm muscles. Tummy time can also help babies master rolling, which can lead to safer sleep as they age. It is important to stop swaddling a baby once they start rolling over, as this can increase the risk of SIDS.
In addition to reducing the risk of SIDS, placing babies on their backs for sleep can also have other benefits. Back sleepers tend to have a lower risk of fevers, nasal congestion, and ear infections than stomach sleepers. They are also no more likely to spit up or choke on their spit than babies who sleep on their stomachs. Overall, it is important for caregivers to understand the proper sleep position for a baby and to create a safe and comfortable sleep environment.
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Babies should be placed on their backs until they can roll over both ways
It is recommended that babies are placed on their backs to sleep until they can roll over both ways. This is because sleeping on their tummies increases the risk of sudden infant death syndrome (SIDS). According to the CDC, in 2020, approximately 1,389 babies died of SIDS.
Research has shown that babies who are put down to sleep on their stomachs are more than twice as likely to die of SIDS than infants sleeping in other positions. Sleeping on the stomach can cause upper airway problems, such as obstruction, which can happen when a baby breathes their own exhaled breath back in. This causes carbon dioxide to build up and oxygen levels to drop. Breathing in their own exhaled breath can also make it harder for body heat to escape, leading to overheating, which is another risk factor for SIDS.
To reduce the risk of SIDS, it is important to put your baby to sleep on their back for the first 12 months of their life. If your baby rolls from their back to their stomach on their own during sleep, it is okay to leave them in that position. This typically happens between 4 and 6 months, when babies develop the agility to protect themselves from the risks of tummy sleeping.
Supervised tummy time during waking hours is important for a baby's development and motor skills. It helps babies develop strength in their neck, shoulders, and arms, and may help them master rolling, which can lead to safer sleep as they age. It is recommended that babies get at least 30 minutes of tummy time per day, starting with short periods of 3 to 5 minutes a few times per day.
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Sleeping on the tummy increases the risk of SIDS
It is generally recommended that babies are placed on their backs to sleep until they are 12 months old. Sleeping on the tummy increases the risk of sudden infant death syndrome (SIDS). While SIDS can occur at any time during a baby's first year, most deaths from the syndrome are among infants aged 1 to 4 months.
The American Academy of Pediatrics (AAP) recommends that babies sleep on their backs until they are 1 year old, even though around 6 months old, they will be able to roll over naturally. Once a baby can consistently roll over in both directions, it is generally considered safe to let them sleep on their tummy. However, if a baby ends up on their tummy while sleeping before they can roll over consistently, it is recommended to gently place them back on their back.
Several studies have found that sleeping on the stomach increases the risk of SIDS. Research has shown that babies who are placed on their stomachs to sleep are more than twice as likely to die of SIDS than infants sleeping in other positions. One theory suggests that sleeping on the stomach may cause upper airway problems, such as obstruction, which can happen when a baby breathes in their own exhaled breath, leading to a build-up of carbon dioxide and a decrease in oxygen levels. Sleeping on the tummy can also make it harder for body heat to escape, leading to overheating, which is another known risk factor for SIDS.
Additionally, tummy sleeping may cause babies to enter deeper sleep, making it harder for them to arouse or wake up if they are unable to breathe properly. Studies have found that babies who are inexperienced with tummy sleeping spend more time fully face down and are less likely to turn their heads to get fresher air compared to babies who are used to sleeping in this position. This further increases the risk of SIDS.
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Tummy time helps babies develop neck, shoulder, and arm muscles
It is recommended that babies are placed on their backs to sleep until they are 1 year old, even if they can roll over. Sleeping on their stomach increases the risk of Sudden Infant Death Syndrome (SIDS) as it interferes with their breathing.
Tummy time, however, is important for babies when they are awake and supervised. It helps them develop neck, shoulder, and arm muscles, and improves their motor skills. It also helps prevent flat head syndrome, which can be caused by babies spending too much time on their backs.
Tummy time sessions can begin a few days after a baby is born. Initially, these sessions should be short, lasting 2-5 minutes, and occurring a few times a day. As the baby gets older, the frequency and duration of tummy time can be increased. By the time a baby is 2 months old, they should be having 15 to 30 minutes of tummy time daily. By 3 months, they should be working up to about an hour a day.
Tummy time can be made enjoyable for the baby by singing songs, keeping colourful toys nearby, and getting down on the floor to interact with them. It is important to always stay with the baby during tummy time and ensure it is done on a safe, low surface.
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Babies should sleep on a firm mattress with no loose bedding
It is not recommended to let a 3-month-old baby sleep on their tummy. The American Academy of Pediatrics (AAP) recommends putting babies to sleep on their backs until at least 12 months of age. Research shows that babies who are put to sleep on their stomachs are more than twice as likely to die of Sudden Infant Death Syndrome (SIDS) than infants sleeping in other positions. Sleeping on their tummy can cause babies to breathe in their own exhaled breath, increasing carbon dioxide levels and reducing oxygen. It can also cause babies to overheat, which is a known risk factor for SIDS.
To help prevent SIDS, babies should sleep on a firm mattress with no loose bedding. A firm mattress is safer than a soft one as it does not conform to an infant's head, preventing their chin from resting on their chest and blocking their soft and flexible airway. Soft surfaces also increase the risk of suffocation and strangulation. The AAP recommends that infants sleep on a firm mattress with a fitted sheet and no soft objects in the sleeping area. This includes soft bedding such as pillows, quilts, comforters, loose bedding, and soft toys.
It is important to choose a cot mattress that complies with the size and depth recommended by the manufacturer of the cot. A poor-fitting mattress can create gaps that a baby can get stuck in, potentially trapping their face or restricting their neck. Make sure there is no more than a 20mm gap between the mattress and the cot sides and ends. It is also crucial to remove any plastic packaging from the mattress and use a strong and tight-fitting waterproof mattress protector.
While it is recommended to always place babies under 12 months on their back for sleep, if they turn onto their tummy on their own, it is generally considered okay to leave them in that position. This is especially true once they are consistently rolling over in both directions (tummy to back and back to tummy). Tummy time when babies are awake is important as it helps them develop neck, shoulder, and arm muscles, and practice rolling over, which can lead to safer sleep.
To summarise, it is not safe for a 3-month-old baby to sleep on their tummy due to the increased risk of SIDS. They should sleep on a firm mattress with no loose bedding to reduce the risk of suffocation and strangulation. Additionally, ensuring a proper-fitting mattress and following safe sleep practices are crucial for a baby's well-being.
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Frequently asked questions
No, it is not safe to put your baby to sleep on their tummy during the first year. You should always place your baby on their back for sleep.
If your baby is able to roll over both ways by themselves, you don't have to return them to their back. However, when putting them down for sleep, always place your baby on their back.
Sleeping on the tummy increases the risk of Sudden Infant Death Syndrome (SIDS) as the baby is breathing in less air. Research shows that babies who are put down to sleep on their stomachs are more than twice as likely to die of SIDS than infants sleeping in other positions.
Keep your baby swaddled during sleep to help them stay on their back. Once they start attempting to roll or turn over, stop swaddling them. You can also encourage tummy time when they're awake so they can practice moving onto their back while you supervise.
Yes, tummy time helps strengthen your baby's neck, shoulder, and arm muscles, and may help them master rolling, which can lead to safer sleep as they age. It also helps combat flat head syndrome.











































