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How to Know if Baby is Cold When Sleeping

Ensuring that your baby is comfortable and safe while they sleep is a top priority for parents. One aspect that parents often worry about is whether their baby is too cold while they sleep. Here’s how you can tell if your baby is too cold and what to do about it.

Signs Your Baby Might Be Cold During Sleep

Checking Baby’s Temperature

The easiest way to tell if your baby is too cold is by feeling the nape of their neck or their chest. These areas are better indicators than hands or feet, which often feel colder than the rest of the body in babies.

Baby’s Behavior and Sleep Patterns

If your baby is uncomfortable because they’re cold, they might wake up more often or have trouble falling asleep. Changes in behavior and sleep patterns can indicate a problem with temperature regulation.

Physical Signs of Being Cold

If your baby is too cold, they might show physical signs such as cold red cheeks, a cool tummy, or bright red hands and feet.

How to Keep Your Baby Warm When Sleeping

Dress Baby Appropriately

Ensure your baby is dressed appropriately for the room temperature. If it’s a cold night, consider using a wearable blanket or sleep sack, which are safe alternatives to loose blankets.

Keep Room at Appropriate Temperature

Keep the nursery at a comfortable temperature, usually between 68 and 72°F (20 and 22°C).

Signs Your Baby Is Too Cold While Sleeping

Does a Cold Baby Wake Up?

Yes, babies often wake up if they’re feeling too cold. Disrupted sleep can be a sign of discomfort due to the cold.

How Do Babies Communicate They’re Cold?

Babies may cry, have cool, red skin, or show other signs of discomfort when they’re too cold. Changes in behavior and sleep patterns can also be a sign.

Potential Dangers of a Cold Sleeping Environment

Can Cold Temperatures Make Babies Sick?

Extreme cold can lead to hypothermia, and consistently cold temperatures may lead to a suppressed immune system, making it easier for babies to get sick.

The Risk of Sudden Infant Death Syndrome (SIDS)

While a cooler room is often safer for babies (with a risk reduction for SIDS), it’s important to ensure your baby isn’t getting too cold.

Creating a Comfortable Sleeping Environment for Your Baby

What Should the Room Temperature Be?

Generally, the room should be kept between 68 and 72°F (20 and 22°C). Temperatures above 74°F or below 66°F could be uncomfortable or dangerous for your baby.

What Should My Baby Wear to Sleep?

Depending on the room temperature, your baby could be dressed in a onesie, footie pajamas, or a wearable blanket. Typically, a good rule of thumb is to dress your baby in one layer more than you would wear.

How Can Help

If you’re worried about your baby’s sleep and their comfort, is here to help. Our mission is to help your baby sleep better with tried and tested techniques and tips. Not only do we provide advice on how to ensure your baby is comfortable during their sleep, but we also cover a wide range of topics relating to baby sleep habits and routines.

Advice from Sleep Experts

Our team of sleep experts can provide advice on a range of sleep-related issues, including temperature regulation. From helping you figure out why your baby is waking up cold to providing suggestions on how to keep your baby warm and cozy at night, we’re here to help.

Useful Tools and Resources

Besides advice, we also provide various tools and resources to help you improve your baby’s sleep. We believe that better sleep leads to happier families, and we’re dedicated to making this a reality for you.


Ensuring your baby is at the right temperature when sleeping is crucial for their comfort and safety. Look out for signs such as a cold neck, changes in sleep patterns, and physical signs of coldness. Remember, if you’re ever unsure, is here to help with expert advice and resources.

1 thought on “How to Know if Baby is Cold When Sleeping”

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