
Newborns are often given little caps to wear in the hospital, but should they continue to wear them to sleep? The answer is no. While the caps are adorable, they are not meant to be worn for sleep once you leave the hospital. The primary concern is that a hat could slip off the baby's head and cover their face, blocking their breathing and increasing the risk of suffocation. Additionally, babies regulate their body temperature through their heads, so wearing a hat can lead to overheating, which is a risk factor for sudden infant death syndrome (SIDS). Therefore, it is recommended to maintain a proper temperature for the baby and dress them in light layers instead of a hat.
| Characteristics | Values |
|---|---|
| Temperature regulation | Newborns regulate their body temperature through their heads. |
| Temperature regulation | Newborns should be dressed in the same way as adults in the same environment. |
| Temperature regulation | Newborns can be dressed in a onesie and a warm, one-piece sleeper, then swaddled or placed in a wearable blanket or sleep sack. |
| Temperature regulation | Newborns can wear caps in the hospital to adjust to the temperature difference between the womb and the outside world. |
| Temperature regulation | Newborns can wear caps outside to protect them from the sun's rays. |
| Suffocation risk | Caps can fall off a newborn's head and cover their face while they sleep, increasing the risk of suffocation. |
| Overheating | Caps can cause overheating, which is a risk factor for sudden infant death syndrome (SIDS). |
| SIDS | Loose items in a newborn's crib increase the risk of SIDS. |
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What You'll Learn
- Newborns should wear caps in the hospital to adjust to the temperature change from the womb
- Caps can be worn outside to protect newborns from the sun's rays
- Caps should be avoided when sleeping to prevent overheating and the risk of SIDS
- Newborns should be dressed in light layers for sleep, similar to their caregivers
- The crib should be free of loose-fitting sheets, bumpers, blankets, pillows, and stuffed animals

Newborns should wear caps in the hospital to adjust to the temperature change from the womb
Newborns are often given a cap to wear in the hospital, and this is largely to do with the change in temperature from the womb to the outside world. The womb is a warm and safe environment, and the hospital can feel cold in comparison. A cap can help the newborn adjust to this temperature change and stay warm in their first few days of life.
It is important to note that newborn babies are still learning to regulate their body temperature in their first few days. They release heat through their head, so it is crucial not to overdress them or keep them in a hat for too long, as this can lead to overheating. Overheating is a risk factor for Sudden Infant Death Syndrome (SIDS). Therefore, while a cap can be beneficial in the hospital, it is generally advised to remove it once the baby is dressed and swaddled, or when they go home.
In addition to the risk of overheating, loose items in a baby's crib can be hazardous. A hat could slip off the baby's head and cover their face, restricting their breathing and increasing the risk of suffocation. For this reason, it is recommended to avoid hats and any other loose items in the crib, such as soft toys, pillows, and blankets.
To keep a newborn warm, it is generally recommended to dress them in light layers. A diaper and onesie can be a good base, with a warm, one-piece sleeper or swaddle on top. This way, the baby can be easily adjusted for temperature by removing or adding layers as needed.
In summary, newborns may benefit from wearing a cap in the hospital to adjust to the temperature change from the womb. However, it is important to monitor the baby's temperature and remove the cap once they are dressed and swaddled to prevent overheating and reduce the risk of SIDS.
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Caps can be worn outside to protect newborns from the sun's rays
It is not recommended for newborns to wear caps to sleep, as this can increase the risk of sudden infant death syndrome (SIDS) and suffocation. Babies regulate their body temperature through their heads, and a cap can cause them to overheat. Additionally, a cap could slip off a baby's head while they sleep and cover their face.
However, caps can be beneficial for newborns when they are outside, as they protect them from the sun's rays. Babies younger than six months cannot wear sunscreen, so parents should turn to alternate forms of sun protection, such as UV-protective clothing and hats, to prevent sunburn.
When it comes to sleeping, it is important to maintain a comfortable temperature for your newborn, as their thermostatic mechanism is not as effective as an adult's. It is generally recommended to dress your baby for sleep based on what you are wearing. If you are wearing a t-shirt and a sheet, your baby might wear a onesie and a lightweight swaddle or sleep sack. If you are warm, your baby is likely also warm, and if you are cool, your baby is probably cool. You can check your baby's temperature by placing a hand on their chest. If they are hot to the touch, remove one layer. Signs that your baby is too hot include a sweaty neck or hair, flushed cheeks, and fussiness.
It is also important to ensure that your baby's crib or bassinet is free of loose-fitting sheets, bumpers, blankets, pillows, wedges, positioners, and stuffed animals. The American Academy of Pediatrics (AAP) recommends that babies always sleep on their back on a firm surface and in the same room as their parents for the first 6 to 12 months of life, as this can reduce the risk of SIDS.
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Caps should be avoided when sleeping to prevent overheating and the risk of SIDS
The decision of whether or not to put a cap on your newborn to help them sleep can be a confusing one for new parents. It is common for nurses to put a cap on newborns in hospitals to keep them warm, as they have just left the warmth and safety of the womb. However, once you leave the hospital, it is recommended that newborns do not wear caps to sleep. This is because newborns can regulate their body temperature through their heads, and wearing a cap can lead to overheating. Overheating is a significant concern as it increases the risk of sudden infant death syndrome (SIDS).
It is important to maintain a comfortable temperature for your newborn, as their thermostatic mechanism is not as effective as an adult's. One way to ensure your baby is comfortable is to dress them in the same number of layers you would wear. For example, if you are wearing a t-shirt and a sheet, your baby could wear a onesie and a lightweight swaddle. If your baby is too warm, they may be sweaty, have flushed cheeks, or feel hot to the touch. In this case, you can remove a layer or opt for a sleep sack with a lower TOG rating.
Loose articles of clothing, such as hats, should be avoided as they can slip off the baby's head and cover their face, inhibiting breathing. This is especially dangerous as SIDS is a real concern for infants until they reach their first birthday. It is recommended to keep the crib free of any loose items, including soft mattresses, pillows, blankets, stuffed animals, and other soft or loose objects. Instead, babies should be placed on their back on a firm surface to sleep.
In addition to preventing overheating and reducing the risk of SIDS, it is also important to protect your newborn from the sun's rays. Caps can be useful when going outdoors, as babies younger than 6 months cannot wear sunscreen. Alternate forms of sun protection, such as UV protection clothing, can also be used.
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Newborns should be dressed in light layers for sleep, similar to their caregivers
When it comes to putting your newborn to sleep, it is recommended to dress them in light layers, similar to what their caregivers are wearing. This is because newborns are still learning to regulate their body temperature, and doing so helps prevent them from overheating, which is a risk factor for sudden infant death syndrome (SIDS).
In the hospital, newborn babies are often given little caps to keep them warm, as they have just left the warm environment of the womb. However, once they are home, these caps are no longer necessary and can even be unsafe for sleeping babies. This is because a hat could slip off the baby's head and cover their face, restricting their breathing.
Instead, it is generally recommended to keep the crib or bassinet free of loose-fitting sheets, bumpers, blankets, pillows, wedges, positioners, and stuffed animals. The American Academy of Pediatrics (AAP) advises that nothing other than the baby and a pacifier should be in the crib. The AAP also recommends that babies should be dressed in one additional layer beyond what an adult would wear in the same environment. So, if you're wearing a t-shirt and a sheet, your baby might wear a onesie and a lightweight swaddle or sleep sack.
It's important to assess your baby's temperature and adjust their layers accordingly. If your baby is sweaty, flushed, or fussy, they may be too warm, and you can remove one layer. On the other hand, if their core (chest, neck, back, and tummy) feels cool to the touch, you may need to add an extra layer.
In the summer months, a onesie or breathable baby pajamas made of materials like muslin are suitable. On warm nights, a diaper with a lightweight swaddle may be enough. In cold weather, footed pajamas and a wearable blanket or sleep sack can be used. Remember, it's best to avoid overdressing a baby, especially if they have a fever, cold, or infection.
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The crib should be free of loose-fitting sheets, bumpers, blankets, pillows, and stuffed animals
It is important to keep the crib free of loose-fitting sheets, bumpers, blankets, pillows, and stuffed animals. This is because loose items in the crib can increase the risk of sudden infant death syndrome (SIDS).
When it comes to clothing, loose items such as a hat can cause suffocation and/or overheating. Therefore, it is recommended to avoid loose-fitting hats, caps, or bonnets for newborns to sleep in. Newborns can be dressed in the same way as adults, with one additional layer for warmth. This is because newborns are still learning to regulate their body temperature, and their heads play an important role in releasing heat.
It is recommended to use a firm sleep surface, such as a safety-approved crib with a firm mattress and snug-fitted sheets. Swaddling is a good option for newborns as the snug bundling technique can help young infants feel safe and soothed, like they are back in the womb. It is important to stop swaddling once the baby starts to roll over, as it restricts their movement and is no longer considered safe.
Instead of loose sheets or blankets, a sleep sack or wearable blanket can be used to keep newborns warm. These are also great options for babies who do not take to swaddling. It is important to assess the baby's temperature and adjust their clothing or bedding accordingly. If a baby is too warm, they may be sweaty or their cheeks may be flushed. In this case, it is recommended to remove one layer or opt for a sleep sack with a lower TOG rating.
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Frequently asked questions
It is not recommended for newborns to wear caps to sleep. This is because newborns regulate their body temperature through their heads, and a cap may cause them to overheat. Additionally, the cap could slip off the baby's head and cover their face, increasing the risk of suffocation.
Newborns are often given caps in the hospital to keep them warm, as they are still learning to regulate their body temperature. Caps can also help newborns adjust to the temperature difference between the womb and the outside world.
If your baby's neck or hair is sweaty, or their cheeks are flushed, they may be too warm. You can also place a hand on their chest to check their temperature.
It is recommended to dress your baby in light layers, such as a onesie and a warm, one-piece sleeper. You can then swaddle them securely or place them in a wearable blanket or sleep sack.
A comfortable room temperature for a newborn to sleep in is between 68°F and 72°F (20°C and 22°C). However, as long as your baby is dressed appropriately, they can still be comfortable and safe outside of this range.











































