What Is the Best Room Temperature for a Sleeping Baby? (2024)

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Jay Summer is a health content writer and editor. She holds a B.S. in psychology and master's degrees in writing and public policy.

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Dr. Nilong Vyas

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Dr. Vyas is a pediatrician and founder of Sleepless in NOLA. She specializes in helping parents establish healthy sleep habits for children.

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Establishing good sleep habits for your baby early on sets them up for better sleep throughout childhood and contributes to their cognitive and physical development. To enjoy restful sleep, babies need a safe and comfortable sleep environment. When setting up the nursery, many parents wonder what is the ideal baby room temperature.

In general, room temperatures that are comfortable for adults are also appropriate for babies, but there are other important factors to consider when building a safe sleep environment. We discuss the optimal room temperature for a sleeping baby and other tips for improving infant sleep.

Why Is Room Temperature Important for Sleeping Babies?

A comfortable bedroom temperature helps promote better sleep. A bedroom that is too hot or too cold may affect sleep quality and lead to nighttime awakenings.

Whether from a warm bedroom temperature or too many layers of pajamas, overheating can also increase a baby’s risk of sudden infant death syndrome (SIDS). It takes time for babies to develop their sleep cycles and be able to self-regulate their temperature Trusted Source National Library of Medicine, Biotech InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source . They also sweat less Trusted Source National Library of Medicine, Biotech InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source , which helps adults cool down.

How to Keep the Right Room Temperature for Your Baby

There are several ways you can help your baby’s bedroom stay at a consistently cool, but not cold, temperature:

  • Stay Close: Check on your baby frequently during naps, and keep their crib in your room until they reach 12 months old so you can better monitor your baby’s temperature.
  • Set the Thermostat Cautiously: Bedroom heating Trusted Source National Library of Medicine, Biotech InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source has been implicated as a risk factor for SIDS. Consider using a separate thermostat for the bedroom or purchasing an indoor thermometer so you can better control the bedroom temperature.
  • Avoid Direct Heat and Cold Sources: Especially for very young babies, place the crib away from windows, radiators, or other items that may influence the ambient temperature around their crib.
  • Keep Cool in the Summer Months: When it is warm outside, take extra care to keep the room temperature cool and use a fan or air conditioning if needed, keeping the fan angle away from your baby.
  • Consider the Infant’s Developmental Stage: Preterm babies take a bit more time to regulate their body temperature Trusted Source National Library of Medicine, Biotech InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source , so you may keep the temperature slightly warmer while watching them carefully for signs of overheating.

A number of factors can affect room temperature, from the type of insulation to the room’s location within the house. For example, bedrooms on a higher floor tend to have warmer temperatures. Be mindful of how the temperature might change within the house, and consider choosing cooler rooms for the family to sleep in during the summer months.

Signs Your Baby Is Too Hot or Too Cold

Sweating and feeling hot to the touch can be signs of overheating. If your baby gets too cold, their skin may feel cool to the touch, or they may shiver. Pale or grey skin, breathing difficulties, limpness, vomiting, feeding difficulties, irritability, and fatigue can all be signs of hypothermia.

To check your baby’s temperature, touch your baby’s chest or abdomen, as these areas can give you a more accurate reading. If the room temperature is at a comfortable temperature but your baby appears too hot or too cold, contact your pediatrician.

Tips for Keeping Your Baby Safe and Comfortable During Sleep

When your baby is safe and comfortable, the whole family sleeps better. Here are a few more ways you can keep your baby safe during sleep.

  • Share A Room, Not A Bed: Until they reach their first birthday, it is safest for a baby to sleep in their own crib to reduce the risk of suffocation.
  • Put Your Baby on Their Back to Sleep: Place your baby on their back every time they go to sleep, up until they are 1 year old. This includes during naps.
  • Keep Extra Items Out of the Crib: Use a safety-approved crib that contains only a firm mattress and a snug fitted sheet. Nothing else should be in the crib, including stuffed animals, pillows, blankets, or other sheets.
  • Dress Your Baby in Temperature-Appropriate Clothing: Choose sleepwear for your baby that is appropriate for the temperature. Babies may benefit from one extra layer than an adult would need, but avoid covering the face and head. In cold temperatures, a wearable blanket can keep them comfortably warm and is considered safer than a blanket.
  • Safely Swaddle: If swaddling your baby, place them on their back and use a light fabric. Once your baby starts learning to roll over, stop swaddling them as it can be dangerous if they roll onto their stomach while swaddled.
  • Follow a Bedtime Routine: Help your baby prepare for sleep with a calming bedtime routine involving the same set of restful activities each night, such as reading, singing a lullaby, or cuddling.

When to Talk to Your Pediatrician

Keep an eye out for signs that your baby is too cold or too hot, and contact your pediatrician if their skin stays cool or warm to the touch despite changing the temperature. This is especially important if they have other symptoms that suggest they may be sick, like a fever, vomiting, or diarrhea Trusted Source Medline PlusMedlinePlus is an online health information resource for patients and their families and friends.View Source . Avoid over-bundling your baby if they have a fever or chills.

Frequently Asked Questions About Room Temperature and Babies

What Is the Ideal Temperature for a Sleeping Baby?

Some studies have found that a room temperature between 68 and 72 degrees Fahrenheit Trusted Source National Library of Medicine, Biotech InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source may be comfortable for babies. However, the American Academy of Pediatrics (AAP) refrains from providing a specific temperature range for the baby’s bedroom. Instead, the AAP recommends dressing the baby in clothing that is appropriate for ambient temperatures.

The optimal room temperature for a sleeping baby might depend on the typical climate in your region. For example, babies who are accustomed to warmer climates might be able to handle a slightly warmer room temperature. Experts note that strong air conditioning in the summer or excessive heating in the winter can also be dangerous for babies.

What Room Temperature Is Too Hot for a Baby?

A baby room temperature above 72 degrees Fahrenheit, or 22 degrees Celsius, may be too warm. An older study from California found that using a fan when temperatures rose above 70 degrees was associated with a lower risk of SIDS Trusted Source National Library of Medicine, Biotech InformationThe National Center for Biotechnology Information advances science and health by providing access to biomedical and genomic information.View Source .

Along with the room temperature, it is just as important to ensure that the baby is appropriately dressed in clothing that helps maintain a comfortable body temperature. If their chest feels warm to the touch, lower the temperature or remove layers of clothing to help them cool down.

Do Babies Sleep Better in a Cold Room?

Babies tend to sleep better in a comfortably cool room. Because babies have a greater proportion of exposed surface area for their weight, it is easier for them to lose body heat. This is why the American Academy of Pediatrics recommends giving them one extra layer compared to what an adult would feel comfortable wearing.

How Do You Know If Your Baby Is Too Cold?

An overly cold baby may shiver or feel cool to the touch. If you notice signs that your baby is too cool, increase the room temperature or add an extra layer of clothing. Seek immediate medical attention if these signs are accompanied by lethargy, pale or dull skin, breathing difficulties, limp muscles, vomiting, unexplained irritability, or feeding problems.

What Is the Best Room Temperature for a Sleeping Baby? (32)

Written By

Jay Summer,Staff Writer

Jay Summer is a health content writer and editor. She holds a B.S. in psychology and master's degrees in writing and public policy.

Dr. Vyas is a pediatrician and founder of Sleepless in NOLA. She specializes in helping parents establish healthy sleep habits for children.

Learn more about our Editorial Team

References

7 Sources

  1. Joseph, D., Chong, N. W., Shanks, M. E., Rosato, E., Taub, N. A., Petersen, S. A., Symonds, M. E., Whitehouse, W. P., & Wailoo, M. (2015). Getting rhythm: How do babies do it? Archives of Disease in Childhood. Fetal and Neonatal Edition, 100(1), F50–F54.

    https://pubmed.ncbi.nlm.nih.gov/25245173/
  2. Arnold, C. (2015). New risk factor for SIDS? Peaks in cot deaths associated with heat waves. Environmental Health Perspectives, 123(7), A185.

    https://pubmed.ncbi.nlm.nih.gov/26131650/
  3. Auger, N., Fraser, W. D., Smargiassi, A., & Kosatsky, T. (2015). Ambient heat and sudden infant death: A case-crossover study spanning 30 years in Montreal, Canada. Environmental Health Perspectives, 123(7), 712–716.

    https://pubmed.ncbi.nlm.nih.gov/25748025/
  4. Lunze, K., Bloom, D. E., Jamison, D. T., & Hamer, D. H. (2013). The global burden of neonatal hypothermia: Systematic review of a major challenge for newborn survival. BMC Medicine, 11, 24.

    https://pubmed.ncbi.nlm.nih.gov/23369256/
  5. A.D.A.M. Medical Encyclopedia. (2022, February 4). When your baby or infant has a fever. MedlinePlus.

    https://medlineplus.gov/ency/patientinstructions/000319.htm
  6. Tsogt, B., Manaseki-Holland, S., Pollock, J., Blair, P. S., & Fleming, P. (2016). Thermoregulatory effects of swaddling in Mongolia: A randomised controlled study. Archives of Disease in Childhood, 101(2), 152–160.

    https://pubmed.ncbi.nlm.nih.gov/26515228/
  7. Coleman-Phox, K., Odouli, R., & Li, D. K. (2008). Use of a fan during sleep and the risk of sudden infant death syndrome. Archives of Pediatrics & Adolescent Medicine, 162(10), 963–968.

    https://pubmed.ncbi.nlm.nih.gov/18838649/

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FAQs

What Is the Best Room Temperature for a Sleeping Baby? ›

That said, keeping the temperature between 68 and 72 degrees F is a good range in the summer and winter. When the room is too hot, research has shown that it can increase your baby's risk of SIDS; when it's too cold, baby can easily become uncomfortably chilly and wake up unnecessarily.

What is the best room temperature for sleeping baby? ›

Keeping your baby's room cool, but comfortable is one way to maintain a safe sleep environment. In fact, it's recommended that babies sleep in a temperature between 68° and 72°F (20° to 22.2°C).

What's the ideal room temperature for a baby? ›

It is important to make sure that your baby is a comfortable temperature – not too hot or too cold. The chance of SIDS is higher in babies who get too hot. A room temperature of 16-20°C – with light bedding or a lightweight, well-fitting baby sleep bag– is comfortable and safe for sleeping babies.

Is 74 too hot for a baby room? ›

Generally speaking, 74℉ is considered too warm for a baby's sleep environment. Just as being too cold can cause your baby to get poor sleep, so can overheating. Additionally, there are some dangers associated with overheating in babies including the following. Sudden infant death syndrome (SIDS).

Is 72 too cold for baby room? ›

Hunter, M.D. The ideal room temperature for a newborn is between 68 and 72 degrees Fahrenheit. You should aim to keep the room within that range to avoid health complications that could arise from leaving your newborn in a room that is too hot or too cold.

How cold is the room too cold for baby? ›

You don't want your baby's room to be either too hot or too cold. It's recommended that the best temperature for babies is between 68 to 72 degrees Fahrenheit or 20 to 22 degrees Celsius. Babies are more sensitive to changes in room temperature because they're so small and their bodies are still growing.

What temperature should my baby wear to sleep? ›

A room temperature of 16 to 20C is comfortable and safe for sleeping babies. Your baby just needs light bedding or a lightweight, well-fitting baby sleep bag. If it is very warm, your baby may not need any bedclothes other than a sheet. Even in winter, most babies who are unwell or feverish do not need extra clothes.

Is it OK if my baby's hands are cold at night? ›

In general, the hands and the feet are a poor way to tell if your baby is too cold. This is because they are often exposed and thus will naturally carry a lower temperature. If the hands and feet are cold, this doesn't mean that your baby is too cold! A better way to measure is to feel your baby's torso.

What AC temperature is good for babies? ›

Keeping the temperature between 72 and 78 degrees makes for a safe, yet comfortable environment for a baby. Set your unit to run at this steady temperature, and opt for an energy-saving mode to allow the A/C to turn on and off periodically. Adjust the temperatures accordingly.

Can babies sleep in 77 degree room? ›

A: Yes, 78 degrees Fahrenheit (25.6 degrees Celsius) is considered too hot for a baby to sleep comfortably. It is recommended to keep the room temperature between 68-72 degrees Fahrenheit (20-22 degrees Celsius) for a safe and comfortable sleeping environment for infants.

How should I dress my baby in a 74 degree room? ›

69 to 74 degrees Fahrenheit: Use a swaddle that's less than or equal to 2.0 TOG and dress your baby in long- or short-sleeve cotton pajamas.

What temperature causes SIDS? ›

The results showed a positive correlation between temperature and SIDS in 3–12 month-old infants specifically. On days when temperatures were greater than 29 °C, there was a 2.78 times greater chance of sudden infant death than on 20 °C days.

Do babies sleep better in warm or cool rooms? ›

One of the key ways to help your baby sleep better and longer is by maintaining a temperature of 68-72°F.

What is the safe room temperature for a baby to sleep in? ›

Make sure the room your baby sleeps in is a comfortable temperature - not too warm or too cold. Room temperature should range from 16 to 20 degrees Celsius. This is 62 to 68 degrees Fahrenheit. You can use a room thermometer to check the temperature.

Is it better for baby room to be hot or cold? ›

That said, keeping the temperature between 68 and 72 degrees F is a good range in the summer and winter. When the room is too hot, research has shown that it can increase your baby's risk of SIDS; when it's too cold, baby can easily become uncomfortably chilly and wake up unnecessarily.

What should a baby wear to sleep at 68 degrees? ›

69 to 74 degrees Fahrenheit: Use a swaddle that's less than or equal to 2.0 TOG and dress your baby in long- or short-sleeve cotton pajamas. 50 to 68 degrees Fahrenheit: Use a swaddle with a 2.0 to 3.5 TOG and dress your baby in long-sleeve cotton PJs with or without a cotton bodysuit.

What temperature should a child's room be at night? ›

The ideal temperature for a baby's room is between 16-20 degrees.

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