
Many parents wonder if their toddlers sleep better in colder temperatures. While some believe that cold air helps their toddlers fall asleep faster and sleep longer, others worry about their children catching a cold or even frostbite. So, what's the verdict? Well, it turns out that there is some truth to the idea that cooler temperatures can improve toddler sleep. Nordic parents, for example, often let their toddlers nap outdoors in freezing temperatures, and research shows that these toddlers sleep longer outdoors than indoors. Pediatricians and researchers have conflicting opinions, with some supporting the theory that fresh air is good for toddlers' lungs and others finding no significant difference in preschoolers' health. Ultimately, the decision rests with the parents, who should dress their toddlers appropriately and ensure they stay warm and comfortable, whether indoors or outdoors.
| Characteristics | Values |
|---|---|
| Temperature | The ideal temperature for a baby's room is between 68 and 72 degrees Fahrenheit. |
| Clothing | Dress babies in one extra layer than what an adult would wear. |
| Health | Exposure to fresh air may reduce the risk of coughs and colds. |
| Sleep Duration | Babies sleep longer outdoors, up to 90 minutes to three hours, compared to one to two hours indoors. |
| Parenting Practices | Many Nordic parents advocate for outdoor naps, even in freezing temperatures. |
| Safety | Watch out for white or pale gray skin, an early sign of frostbite. |
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What You'll Learn

Toddlers sleep longer in the cold
It is widely believed that toddlers sleep longer in colder temperatures. This is a common practice among Nordic parents, who often put their toddlers down for naps outside in freezing temperatures. While it may seem surprising to those from warmer climates, there is evidence to support the idea that cold temperatures can lead to longer sleep duration for toddlers.
One study found that babies slept for 90 minutes to three hours outdoors, compared to only one to two hours indoors. The theory behind this is that the fresh, cold air improves toddlers' lung health and helps them acclimate to the seasons, regulating their circadian rhythms. Additionally, a cold environment allows for swaddling without the risk of overheating.
However, it is important to prioritize your toddler's comfort and safety when exposing them to cold temperatures. Aim to keep your toddler comfortable, neither too hot nor too cold. You can do this by dressing them in layers, which can be easily adjusted as needed. It is also crucial to monitor your toddler's temperature, especially if they are sleeping outdoors. If their temperature drops below normal, seek medical attention immediately.
Some parents in colder climates, such as Stockholm, regularly leave their toddlers outside in prams to sleep during the winter. They believe that the fresh air keeps their children healthier during cold and flu season. However, it is essential to ensure your toddler is adequately protected from the cold with warm clothing and a warm sleeping bag or blanket.
Overall, while there may be benefits to toddlers sleeping in colder temperatures, it is important to prioritize their comfort and safety. As a parent or caregiver, use your best judgment to determine if sleeping in colder temperatures is suitable for your toddler.
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Fresh air is good for toddlers' lungs
While the idea of putting a toddler to sleep outside in the cold might seem shocking to some, it is a common practice among parents in Nordic countries, and there are several purported benefits to this approach. One of the main advantages is the belief that fresh air is good for toddlers' lungs and overall health, especially during seasons when colds and flu are prevalent.
Fresh air is thought to improve toddlers' respiratory health and reduce the likelihood of them catching coughs and colds. This theory is supported by some studies, which have shown that preschoolers who spend a significant amount of time outdoors have lower rates of absenteeism due to illness compared to those who spend most of their time indoors. For example, in Sweden, it is common for daycare centres to put children outside to rest, even in freezing temperatures, and Swedish parents believe that fresh air helps to keep their children healthier.
The practice of outdoor napping in cold climates is also said to promote longer sleep duration. Surveys of Nordic parents indicate that babies slept for 90 minutes to three hours outdoors, compared to only one to two hours indoors. The restriction of movement due to warm clothing may contribute to this increased sleep length, as it makes swaddling possible without the risk of overheating. Additionally, the cold temperatures can help regulate a toddler's body temperature, which is crucial for sleep. During the day, a toddler's internal body temperature remains relatively high to keep them awake, but as the sun goes down and temperatures drop, their body temperature decreases, making them feel sleepy.
However, it is important to prioritise the comfort and safety of toddlers when considering outdoor napping in cold weather. While fresh air can be beneficial, it is crucial to ensure that toddlers are dressed appropriately and monitored closely to prevent them from getting too cold. The key to keeping toddlers warm outdoors is layering, which allows for easy adjustment as temperatures change. It is recommended to dress toddlers in at least three layers, including a soft, thin base layer, followed by a thinner middle layer of cotton or light fabric, and a warm outer layer or snowsuit. Additionally, it is important to monitor the temperature and bring toddlers inside or add extra layers if necessary.
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Toddlers sleep better in the cold due to restricted movement
While the idea of putting a baby to sleep outdoors in freezing temperatures may seem extreme to some, it is a common practice among Nordic parents, who believe that their babies sleep better and longer in the cold. In Stockholm, Sweden, for instance, it is a regular occurrence to see babies left outside in prams to sleep while their parents relax inside cafes.
This trend was first shared globally in an article by the BBC, which highlighted the daily routine of Nordic parents and the benefits they believe it brings. Some parents claim that the cold air helps their babies fall asleep faster, while others believe it has health benefits, such as curing unknown lung conditions and reducing the risk of catching coughs and colds.
According to Marjo Tourula, a researcher in Finland, babies slept longer outdoors than indoors. Indoor naps lasted between one and two hours, while outdoor naps in cold environments lasted from 90 minutes to three hours. Tourula suggests that the restriction of movement due to multiple layers of clothing could be a factor in increasing the length of sleep, as it makes swaddling possible without the risk of overheating.
To ensure that babies stay warm while sleeping outdoors, it is important to dress them in layers. A soft, thin one-piece sleeper outfit made of breathable fabric like cotton can be the base layer, followed by a thinner layer of long-sleeved shirt and pants, and finally a warm outer layer or a snowsuit. It is also crucial to monitor the temperature and bring the children inside or add extra layers if the temperature drops too low.
While the research on the impact of cold temperatures on toddler sleep is primarily focused on Nordic countries, there are some anecdotes from parents in other parts of the world who have noticed that their toddlers sleep better in cooler temperatures. Some parents have observed that their toddlers kick off their blankets or prefer sleeping with open windows, indicating that they feel more comfortable in a cooler environment.
In summary, while there is some evidence that toddlers may sleep better in the cold due to restricted movement and the benefits of fresh air, it is important to prioritize the child's comfort and safety. Dressing them in appropriate layers and monitoring the temperature are crucial to ensure they stay warm and healthy while sleeping in colder conditions.
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Cold temperatures can prevent toddlers from overheating
Cold temperatures can have a positive impact on a toddler's sleep, but it is important to ensure they do not get too cold. Striking the right balance is crucial to prevent overheating and promote comfortable sleep.
The idea of toddlers sleeping outdoors in freezing temperatures may seem unusual to some, but it is a common practice among Nordic parents. They believe that the fresh air boosts their children's health, especially during seasons with high disease prevalence. Swedish parents, in particular, advocate for outdoor naptime, claiming that their children sleep longer and enjoy the benefits of fresh air.
Research supports these claims, showing that babies sleep longer outdoors, with indoor naps lasting between one and two hours and outdoor naps lasting up to three hours. The restriction of movement due to clothing could be a factor in increasing sleep duration, and the cold environment makes swaddling possible without the risk of overheating.
To ensure that toddlers remain comfortable and do not get too cold, it is essential to dress them appropriately. Layering is a recommended approach, allowing for easy adjustments as temperatures change. Start with a snug base layer, such as a cotton onesie, and add warmer layers as needed. It is also crucial to monitor the temperature and bring toddlers inside or add extra layers if they become too cold.
While cold temperatures can improve sleep and have potential health benefits, it is important to use caution and ensure that toddlers do not get too cold, as this can cause discomfort and restlessness.
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Toddlers should be dressed in layers to sleep in the cold
While it is generally agreed that cooler temperatures help babies sleep better, it is important to ensure that toddlers are dressed appropriately for the cold to prevent them from getting too cold. The best way to do this is to dress them in layers.
The key to layering is to start with a comfortable, snug base layer. This should be made from a breathable fabric such as cotton, which is crucial to prevent overheating. Over this, you can add warmer layers, such as a light sleep sack, especially in colder seasons. For toddlers sleeping outside, a warm sleeping bag is essential.
It is important to keep an eye on your toddler's temperature and adjust their layers accordingly. If they are too hot or too cold, they may become fussy. You can tell if they are too cold if they have white or pale grey skin, which are the first signs of frostbite. If you are feeling very cold, then your toddler is definitely feeling cold, so bring them inside and add another layer.
In summary, toddlers should be dressed in layers to sleep in the cold to keep them warm and comfortable, and to make it easy to adjust their clothing to the temperature. By layering, you can ensure your toddler stays snug and safe during the cold weather.
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Frequently asked questions
While there is no definitive answer, many parents and caregivers have observed that their toddlers sleep better and longer in colder temperatures. It is believed that the fresh, cold air has health benefits and boosts the immune system.
Aim for a room temperature between 68 and 72 degrees Fahrenheit. It is important to ensure your toddler is comfortable and dressed appropriately for the temperature.
Colder temperatures may help toddlers sleep longer and improve their overall health. The fresh air can boost their immune system and reduce the risk of catching coughs and colds. Additionally, the restriction of movement due to clothing can make toddlers feel swaddled and comfortable without overheating.










































