
The safest position for a newborn to sleep in is on their back. Side sleeping is not recommended because it increases the risk of SIDS (Sudden Infant Death Syndrome) and makes it easier for the baby to roll onto their stomach, which is unsafe if they are too young to lift their head. Swaddling is a good way to keep newborns on their back and can help them feel safe and secure, but it should be stopped once they are able to roll over.
| Characteristics | Values |
|---|---|
| Safest position for a newborn to sleep | On their back |
| Safe sleeping environment | Keep the crib empty, without toys, pillows, blankets, crib bumpers, etc. |
| Swaddling | Safe for newborns until they start showing signs of rolling over |
| Flat head | Can occur from sleeping on the side or back, but it is harmless and will resolve on its own |
| Harlequin color change | 10% of healthy newborns exhibit this harmless condition when they sleep on their sides |
| Torticollis ("wry neck") | Can be caused by side sleeping due to less support for the head and neck |
| Risk of SIDS | Higher when sleeping on the side |
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What You'll Learn
- It is recommended that newborns sleep on their back for the first year of life
- Side sleeping increases the risk of SIDS, a leading cause of infant death
- Swaddling is safe for newborns until they show signs of rolling over
- To prevent flat spots on a baby's head, alternate the positions in the crib
- The safest place for a baby to sleep is in a crib, bassinet, or play yard with a firm, flat surface

It is recommended that newborns sleep on their back for the first year of life
The safest place for a baby to sleep is in a crib, bassinet, or play yard with a firm, flat surface and nothing else in the crib. This means no sleep positioners, pillows, or rolled blankets to keep your baby on their back. The crib should be in the parents' bedroom so that the baby is nearby and easily accessible during the night. It is also important to keep the baby warm, and this can be done by using a swaddle or sleep sack. Swaddling a newborn can help them feel safe and secure in addition to keeping them warm. However, it is important to stop swaddling once the baby starts moving onto their side or rolling over.
Babies who always sleep with their head to the same side can develop flat spots on their head. This is known as positional plagiocephaly. A little bit of flattening goes away on its own, but more serious flattening may be permanent, although it will not affect a baby's brain or development. To prevent flat spots from developing, it is recommended to lay your newborn on their back for sleeping or napping and to change the position of the baby's head each day. Spending time on their tummy can also prevent flat spots and help babies develop their upper body, arm, and neck muscles.
Once a baby is able to roll over on their own, it is okay for them to sleep on their side. However, until they are able to do so, they should always be placed on their back to sleep.
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Side sleeping increases the risk of SIDS, a leading cause of infant death
It is important to note that side sleeping in babies increases the risk of Sudden Infant Death Syndrome (SIDS), which is a leading cause of infant death. While the cause of SIDS is still unknown, placing a baby to sleep on their back is recommended and is known to reduce the risk of SIDS.
The main risk of putting a baby to sleep on their side is that they will roll onto their stomach. When a baby is too young to support their head, this may mean that their face becomes stuck against the mattress, obstructing their airway and making it difficult to breathe. Babies who sleep on their backs are also less likely to get fevers, stuffy noses, and ear infections. The back-sleep position makes it easier for babies to look around the room and move their arms and legs.
Babies placed to sleep on their sides are at an increased risk of SIDS. It is recommended that babies sleep on their backs for the first year of life. While some medical providers previously advised placing newborns on their side to clear amniotic fluid, there is no evidence to support this recommendation. Once a baby can roll over onto their front and then back again by themselves, there is no need to worry if they turn onto their side while sleeping.
To reduce the risk of SIDS, it is important to keep the baby's head uncovered and ensure that pillows or other objects cannot fall into the baby's sleep space. It is also crucial to prevent the baby from overheating by keeping the room at a comfortable temperature, dressing the baby in light clothing, and using lightweight blankets. Additionally, breastfeeding your baby and keeping them away from cigarette smoke can help lower the risk of SIDS.
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Swaddling is safe for newborns until they show signs of rolling over
It is generally recommended that newborns sleep on their backs for the first year of life. Side sleeping in babies increases the risk of SIDS, which is a leading cause of infant death. It is also less supportive for the neck and head and can cause torticollis, or "wry neck".
Swaddling is a great way to help newborns feel safe and secure, as it mimics the safety and security of the womb. It is also a good way to keep them warm if you are not using a blanket. However, it is important to stop swaddling as soon as a baby starts to show signs of rolling over, as this can increase the risk of SIDS and suffocation. Swaddling for too long can also lead to overheating, which can cause dehydration, fever, and other health problems.
The American Academy of Pediatrics (AAP) recommends that swaddling is done correctly to help calm infants and promote sleep. When placing a baby in their crib to sleep, it is recommended that the baby always be laid down on their back. For the first few months, this is usually an easy task. However, as babies get older, they will become more active and may start to feel frustrated by the swaddle's restrictions. They may also start to generate more body heat through their increased activity, which can make them feel too warm and uncomfortable.
There are several signs that indicate it is time to stop swaddling your baby. If your baby is consistently breaking out of the swaddle or becoming fussy during swaddling, it may be a sign that they are ready to move on. Another sign is if your baby is starting to outgrow the swaddle, showing signs of wanting more freedom of movement. It is important to monitor your baby closely and talk to your pediatrician if you have any concerns or questions.
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To prevent flat spots on a baby's head, alternate the positions in the crib
It is recommended that babies sleep on their backs for the first year of life to reduce the risk of sudden infant death syndrome (SIDS). However, this can lead to flat head syndrome, which affects about 1 in 8 healthy infants under the age of 1. This condition, also known as positional plagiocephaly, usually occurs when a baby sleeps in the same position most of the time or due to problems with the neck muscles.
To prevent flat spots on a baby's head, it is important to alternate the positions in the crib. Here are some ways to do this:
- Change the crib's position or the direction that the baby faces in the crib. This way, when they turn their head to look at something, they won't always turn to the same side.
- Position the baby so that the more rounded side of their head is placed against the mattress.
- Provide plenty of "tummy time" when the baby is awake. Supervised time on their tummy can help develop strong neck and shoulder muscles and prevent flat spots. Aim for 30 to 60 minutes a day, broken up into short segments.
- Limit the time the baby spends with their head against a flat surface when awake, including in car seats, swings, strollers, and bouncy seats. These items put added pressure on the back of the baby's head.
- Alternate the baby's head position while laying them down to reduce prolonged pressure on one side of the head. Gently reposition their head from right to left, and left to right during naptime and bedtime.
- If the baby has tight neck muscles or torticollis, a pediatric physical therapist can provide stretches and exercises to target these muscles and improve their neck movement.
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The safest place for a baby to sleep is in a crib, bassinet, or play yard with a firm, flat surface
It is important to ensure that your baby sleeps in a safe environment. The safest place for a baby to sleep is in a crib, bassinet, or play yard with a firm, flat surface. Here are some reasons why:
Firstly, sleeping on their back on a firm, flat surface is the safest position for a baby. This position helps to reduce the risk of Sudden Infant Death Syndrome (SIDS), a leading cause of infant death. By placing your baby on their back, you lower the chances of them suffocating if they roll over onto their stomach. It is important to note that side sleeping in babies increases the risk of SIDS and suffocation if they roll onto their stomach, as they may not yet have the strength to lift their head and move back into a safe position.
Secondly, a crib, bassinet, or play yard provides a separate sleeping area for the baby, which is recommended by the American Academy of Pediatrics (AAP). It is best for babies to sleep in the same room as their caregivers but in a separate sleep space, such as a bassinet or crib, for at least the first six months of their life. This arrangement allows caregivers to have easy access to the baby during the night while providing a safe and separate sleeping area.
Additionally, a crib, bassinet, or play yard can be kept free of any objects that may pose a safety hazard. It is important to keep the baby's sleep area clear of any toys, pillows, blankets, quilts, comforters, loose bedding, or crib bumpers. These items can increase the risk of suffocation or entanglement. A firm, flat surface, such as a safety-approved crib mattress covered by a fitted sheet, provides a safe and comfortable sleeping environment for the baby.
Furthermore, a crib, bassinet, or play yard allows for proper air circulation, which is crucial for maintaining a safe sleeping environment. Running a fan in the baby's room can further improve air circulation and lower the risk of SIDS. Additionally, keeping the room temperature cool and dressing the baby in light clothing can prevent overheating, which is another important factor in creating a safe sleep space.
In summary, the safest place for a baby to sleep is in a crib, bassinet, or play yard with a firm, flat surface. This arrangement provides a separate sleeping area, reduces the risk of SIDS and suffocation, allows for proper air circulation, and ensures a clear and hazard-free sleep space. By following these guidelines, caregivers can create a safe and comfortable sleeping environment for their baby.
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Frequently asked questions
No, it is not considered safe for newborns to sleep on their side. The safest position for a baby to sleep in is on their back.
Side sleeping can make it easier for the baby to accidentally roll onto their stomach, which can increase the risk of sudden infant death syndrome (SIDS).
To prevent your newborn from rolling onto their side, you can try placing them on their back to sleep and alternating the positions in their crib. You can also try supervised tummy time during the day to help strengthen their neck and upper body muscles.
Torticollis, or "wry neck," can be difficult to spot in newborns as they don't move their necks much. However, some warning signs include your baby preferring to sleep on one side or turning their head to the same side every night.
To prevent your baby's head from becoming misshapen, alternate the side of the crib that you place their head on. You can also use toys to encourage head movement and more even pressure on the whole head.











































