Hot Sleeper vs Cold Sleeper: What Type of Sleeper Are You?

Do you wake up drenched in sweat or constantly reach for an extra blanket during the night? If so, you’re likely either a hot sleeper or a cold sleeper—and understanding which one you are can make a big difference in how well you rest.

A hot sleeper tends to feel warm at night, often waking up overheated or sweating due to the body’s tendency to retain heat during sleep. In contrast, a cold sleeper struggles to stay warm, frequently waking up feeling chilly even in moderate temperatures.

Knowing which category you fall into can help you optimize your sleep environment—choosing the right bedding, mattress materials, room temperature, and even pajamas to support deeper, more restful sleep.

In this article, we’ll dive into what causes these temperature differences, how they affect your sleep quality, and what you can do to sleep more comfortably—whether you run hot, cold, or somewhere in between.

Differences Between Hot and Cold Sleepers

Before diving into ways to improve sleep comfort, it’s important to understand the key differences between hot and cold sleepers.

The table below outlines common symptoms, causes, ideal sleep environments, and the best bedding solutions for each type, helping you determine where you fit and how to optimize your sleep setup.

SEE ALSO: Best Mattress for Sciatica

Body Temperature and Sleep

The body’s temperature rises and falls over 24 hours and in synchrony with the body’s sleep-wake cycle. Our core body temperature stays around 98.6 degrees Fahrenheit (37 degrees Celsius) but fluctuates by about 2 degrees while sleeping.

As bedtime approaches, your body temperature drops, coinciding with the release of melatonin. Melatonin is a sleep-promoting hormone that prepares you for a good night’s rest. During sleep, your body temperature continues to drop, then gradually warms up as the morning progresses. This temperature spike stimulates your alertness and wakes you up each morning.

While you are sleeping, keep your room at a comfortable temperature to avoid disruptions. Sleeping in a too-hot room causes discomfort and restlessness for many, and it can even lead to sleep deprivation if you struggle to fall back asleep in a stiflingly hot room.

Researchers say a higher core body temperature is typically associated with decreased restorative slow-wave sleep. On the other hand, sleeping too cold makes it difficult to relax and get comfortable in bed.

Your sleep temperature is influenced by biological, environmental, and external factors. Some of the most common reasons you may be a hot or cold sleeper include:

Why Am I a Hot Sleeper?

If you tend to overheat at night, several factors could be contributing to it:

• High Metabolism – Some people naturally generate more body heat during sleep, leading to frequent night sweats.
• Hormonal Changes – Hormonal fluctuations (such as menopause, pregnancy, or thyroid conditions) can cause excessive heat retention.
• Room Temperature & Bedding – A warm bedroom, heavy blankets, or heat-trapping mattresses can increase body temperature.
• Certain Medical Conditions – Hyperthyroidism, infections, and some medications can elevate body temperature at night.

Why Am I a Cold Sleeper?

If you constantly wake up feeling chilly, these factors may be the reason:

• Low Blood Circulation – Poor circulation can cause cold extremities, making it harder to stay warm.
• Low Metabolism – A slower metabolism generates less heat, leading to cooler body temperatures.
• Cold Room or Drafts – Sleeping in a poorly insulated room or using lightweight bedding can lead to night chills.
• Underlying Health Conditions – Conditions like anemia, hypothyroidism, or Raynaud’s disease can contribute to feeling cold at night.

SEE ALSO: Best Mattress for Fibromyalgia

Best Mattress Type for Hot Sleepers

“Sleep is regulated by temperature as an environmental cue,” says Dr. Nayantara Santhi. “And in fact, there is data to suggest that the regulation of sleep by ambient temperature occurs at a molecular level. Of course, what this means in our daily lives is that cooler ambient temperature at night is beneficial for sleep, and this becomes more important today, given the increased frequency of hotter summer days.”

“Not surprisingly, it is not just the room temperature but also the temperature regulation of our mattress that is important. A breathable cool mattress or bed linen that helps with the temperature of our beds are all helpful for sleep.”

It’s common for hot sleepers to experience night sweats if their sleeping surface is too warm. For this reason, the best mattresses for hot sleepers are hybrid beds or latex mattresses because they feature cooling technologies to dissipate body heat.

Hybrid mattresses have body-hugging qualities, similar to a memory foam mattress, but also have a pocketed coil system, which provides more airflow. Hybrid models add thicker comfort layers for better pressure relief and support. However, some hybrids that use memory foam in the top layers may retain heat, so it’s essential to choose designs with cooling technologies. Latex mattresses are also a good choice since they deliver bouncy comfort.

Additionally, natural latex foam has breathable properties that allow more air circulation throughout the mattress. Also, the comfort layers have tiny air pockets to boost airflow. Plus, latex does not absorb body heat like other synthetic materials.

Memory foam mattresses are some of the most popular mattresses on the market, but they are not always suitable for those who sleep hot. These beds do not provide good breathability like other mattress types and often cause sleepers to overheat.

However,  cooling memory foam mattresses infused with gel often become the best bed for hot sleepers as they are more comfortable, and many companies are incorporating more gel foam in their products. Others may use copper infusions or plant oils to create a cooler foam.

Best Mattress for Cold Sleepers

While some people criticize traditional memory foam mattresses for their lack of air channels, those who sleep cold can use this to their advantage. Since memory foam beds retain heat and create a warm sleeping surface, they are better suited for cold sleepers. Sleeping in an extra cozy bed might keep you from shivering or reaching for blankets throughout the night.

Hybrid mattresses also consist of a foam top with innerspring coils below. These beds can keep your bed feeling cozy since the foam layer is closest to your body. Hybrid mattresses also have excellent responsiveness and are a great alternative to the sinking feeling of a memory foam bed.

Additionally, cold sleepers may consider mattresses with softer firmness levels. A softer surface allows the body to sink in slightly, improving insulation by reducing the amount of air circulation around the sleeper. For those in especially cold climates, pairing the mattress with heat-retaining bedding, such as flannel sheets or down comforters, can enhance warmth and overall comfort.

Ultimately, the best mattress for cold sleepers is one that combines warmth, pressure relief, and support, ensuring a comfortable and restful sleep experience.

How to Stay Warm?

Cold sleepers need to stay as warm as possible throughout the night. If you are a cold sleeper, you’ll want to find the best bed sheets, comforters, and bedroom attire to keep cozy at bedtime.

Next, we’ll look at some ways to create a warmer sleeping environment.

• Try finding warmer pajamas. Flannel pajamas are popular among cold sleepers because they are made with extra plush material. Plus, flannel is a breathable fabric, so it won’t make you feel hot or sweaty.
• Bundle up with thick blankets and sheets. Some of the best comforters for cold sleepers are made with down feathers, wool, silk, and cashmere fleece. Cotton linen may also be a great option because it is lightweight and soft but also come at a more affordable price. You can find cotton quality cotton sheets for as low as $50.
• If a thick blanket or quilt isn’t enough, consider a fluffy comforter or duvet. These downy bedding pieces can insulate warmth more thoroughly than a typical blanket.
• Electric blankets are a technological way to stay warm and often one doesn’t cost much more than a standard blanket. However, you may have to handwash an electric blanket to safely clean it.
• One popular alternative to electric blankets are heated mattress pads. Just as the name suggests, they are mattress pads with heating wires that work to ensure a warm sleeping surface.
• Make sure your bedroom is sealed against drafts that can let in cold air.

How to Stay Cool?

If you consider yourself a hot sleeper, there are a couple of ways you can stay cooler at bedtime.

• Sleep with the room at between 60-67 degrees or adjust the A/C about 2 degrees lower at bedtime. When paired with breathable bedding, a cool room keeps you from spending a night sweating.
• Purchase blackout curtains or blinds to block sunlight throughout the day. Blocking out the sun will prevent it from heating your bedroom, especially if you live in a warm climate.
• Take a warm shower before you go to bed. Taking a hot shower can actually help you sleep colder because it increases blood circulation and opens up your skin’s blood vessels. As a result, your body’s core temperature temporarily rises during the shower. However, once you get out of the warm shower, your body will work to start cooling you down. This jumpstarts your body’s cooling process to reach the required temperature needed to fall asleep.

Composition of the Best Bed for Hot Sleepers vs Cold Sleepers

Choosing the right mattress is crucial for temperature regulation and overall sleep comfort. While hot sleepers need breathable, cooling materials to prevent overheating, cold sleepers benefit from heat-retaining materials that provide warmth and insulation. 

Below, we compare the key mattress features suited for both types of sleepers.

1. Mattress Materials: Breathability vs. Heat Retention

The materials in a mattress significantly impact how heat is absorbed, retained, or dissipated throughout the night.

• For Hot Sleepers: Opt for natural latex, gel-infused memory foam, or hybrid mattresses with coils, which allow air circulation and prevent heat buildup.
• For Cold Sleepers: Traditional memory foam, plush pillow-top, and high-density foam mattresses retain heat, keeping the bed warm and cozy.

2. Cooling vs. Warming Technology

Modern mattresses integrate advanced temperature-regulating technologies, catering to both hot and cold sleepers:

• Phase-Change Materials (PCMs): Adjust to body temperature—absorbing heat when too warm and releasing it when too cool.
• Copper or Graphite Infusions: These conduct heat away from the body, making them ideal for hot sleepers, while cold sleepers may prefer memory foam without cooling infusions for added warmth.
• Breathable vs. Insulating Covers: Tencel, bamboo, and moisture-wicking fabrics help hot sleepers stay cool, whereas fleece-lined or quilted covers help cold sleepers retain warmth.

3. Firmness, Support & Contouring: Finding the Right Balance

The firmness of a mattress affects how heat is distributed and retained:

• For Hot Sleepers: A medium-firm mattress prevents excessive sinkage, allowing air circulation around the body.
• For Cold Sleepers: A plush or soft mattress provides deeper contouring, which helps trap body heat and maintain warmth.
• Zoned Support: Targeted contouring can benefit both—providing airflow for hot sleepers and pressure relief for cold sleepers.

4. Breathability vs. Insulation: Ensuring a Comfortable Sleep Environment

Proper airflow and insulation determine how heat is managed within the mattress layers:

• For Hot Sleepers: Open-cell foam, perforated latex, and ventilated coil systems promote breathability and prevent heat retention.
• For Cold Sleepers: Dense memory foam, fiberfill layers, and heat-trapping materials offer insulation and warmth.

5. Construction: Cooling vs. Heat-Retaining Layers

The outer cover and layered construction of a mattress significantly influence temperature regulation:

• For Hot Sleepers: Moisture-wicking fabrics like organic cotton, Tencel, or bamboo help with sweat evaporation and cooling.
• For Cold Sleepers: Thicker, quilted covers or wool-blend materials help trap warmth for a cozier sleep surface.

By choosing the right combination of materials, support, and construction, both hot and cold sleepers can find a mattress that provides the perfect sleep temperature, comfort, and durability for restful nights.

Things to Avoid in the Best Mattress for Hot vs Cold Sleepers

Some mattresses can make sleeping too hot or too cold, leading to restless nights. Hot sleepers need to avoid materials that trap heat, while cold sleepers should steer clear of overly breathable designs that let warmth escape. 

Here are common mattress mistakes that can make sleep temperature uncomfortable.

One of the biggest issues for hot sleepers is dense, heat-retaining foam. Traditional memory foam, especially without cooling infusions, tends to trap body heat and make overheating worse. If you sleep cold, however, a mattress that’s too breathable—like a hybrid with lots of airflow—might make it hard to stay warm.

Another problem is poor airflow within the mattress. Solid foam layers with no ventilation hold onto heat, making it difficult for hot sleepers to cool down. But for cold sleepers, too much airflow can be a problem, as it allows body heat to escape, leaving you feeling chilly.

The wrong mattress cover can also make a difference. Many covers use synthetic fabrics like polyester, which trap heat and moisture—bad news for hot sleepers. If you overheat, look for breathable covers made of Tencel, bamboo, or organic cotton. Cold sleepers, on the other hand, might prefer thicker, insulated covers made from wool or quilted fabric, which help retain warmth.

A mattress that’s too soft can also lead to temperature issues. Plush beds hug the body, reducing airflow and making hot sleepers feel even warmer. Meanwhile, a mattress that’s too firm can be uncomfortable for cold sleepers, as it doesn’t contour well enough to trap heat around the body.

Low-quality materials can also cause discomfort. Cheap foams break down quickly, losing any cooling or insulating benefits they had. Hot sleepers should avoid budget mattresses that lack cooling technology, while cold sleepers should steer clear of thin, poorly insulated beds that don’t retain warmth well.

Finally, choosing a mattress without temperature-regulating features can lead to discomfort for both types of sleepers. Hot sleepers should avoid beds without cooling elements, like gel-infused foam or phase-change materials, which help disperse heat. Cold sleepers, however, may find mattresses with too many cooling features make it hard to stay warm. Instead, they should look for memory foam or materials designed to retain heat.

Avoiding these common mistakes can help both hot and cold sleepers find the perfect balance of comfort and temperature regulation, leading to better sleep every night.

FAQs

1. What is a healthy room temperature?

The best bedroom temperature for sleep is approximately 65 degrees Fahrenheit (18.3 degrees Celsius). This varies from person to person, but we recommend setting the thermostat between 60 to 67 degrees Fahrenheit (15.6 to 19.4 degrees Celsius) for the most comfortable sleep. Our bodies experience a slight dip in core temperature in the evening, so turning the thermostat down at night may help with temperature regulation at bedtime.

2. What are the best sheets for cold sleepers?

The best sheets for cold sleepers are made of warm fleece, heavier-weight cotton, and soft flannel. These sheets are great for chilly winters and pair perfectly with layered blankets. It may also be a good idea to consider purchasing a fluffy down comforter for extra warmth.

3. What is the best way to cool down a mattress for hot sleepers?

For hot sleepers, cooling down a mattress can be achieved by using breathable mattress protectors or covers made from materials like bamboo or Tencel, which wick away moisture and enhance airflow. Adding cooling mattress toppers infused with gel or copper can also help regulate temperature. Additionally, maintaining a cool room environment with air conditioning, fans, or blackout curtains can complement the cooling features of your bed.

4. Are cooling mattresses worth it for hot sleepers?

Yes, cooling mattresses are worth it for hot sleepers as they are specifically designed to regulate temperature and prevent overheating during the night. These mattresses incorporate advanced features like gel-infused foam, breathable latex, or pocketed coils to promote airflow and wick away body heat. For individuals who frequently experience night sweats or discomfort from heat, investing in the best bed for hot sleepers ensures a cooler, more restful sleep environment.

5. Will I Be Cold With a Cooling Mattress?

No, a cooling mattress is specifically engineered to balance temperature, not to make you cold. These mattresses are designed to regulate your body heat during sleep. By utilizing advanced materials such as gel-infused foam, breathable latex, or hybrid constructions, a cooling mattress works by drawing away excess heat and preventing it from accumulating around your body. 

This creates a more comfortable sleep environment, allowing you to stay cool during warm nights without causing a chill. So, while they help with heat management, they don’t go too far in the other direction, ensuring you stay just the right temperature throughout the night.

6. Which Mattress Type Is Best for Cooling?

The top mattresses for cooling are those made from materials known for their breathability and heat-dissipating properties. Latex mattresses are naturally cooler because they are more breathable than traditional foam, allowing air to circulate freely. Hybrid mattresses, which combine innerspring coils with foam or latex layers, provide superior airflow due to the open structure of the coils, making them ideal for those prone to overheating. 

Moreover, gel-infused memory foam is another excellent option; the gel absorbs heat, dispersing it away from your body and helping to keep the surface cool. These mattresses often incorporate fabrics with moisture-wicking properties, contributing to a more comfortable sleep experience for hot sleepers.

7. What is PCM in a mattress?

PCM stands for Phase Change Material, a high-tech feature in some cooling mattresses. It’s a material that absorbs, stores, and then releases heat depending on your body temperature. When you’re too hot, PCM absorbs the excess heat, and when you’re too cold, it releases the stored heat to maintain a balanced temperature. This ensures a comfortable sleep environment by regulating temperature fluctuations, making it a key player in cooling mattresses for hot sleepers.

8. How do cooling mattresses work?

Cooling mattresses work through a combination of specialized materials and design features. These mattresses use breathable fabrics, gel-infused foams, or PCM technology to draw away excess body heat and maintain a comfortable sleep temperature. Hybrid mattresses, with their coil layers, improve airflow, while foam mattresses with cooling infusions like gel or copper help dissipate heat. The goal is to create a sleep surface that doesn’t trap heat but instead keeps it cool and comfortable throughout the night.

9. Do you really need a specialist cooling mattress?

If you tend to sleep hot or live in a warmer climate, a specialist cooling mattress can make a big difference in your sleep quality. While standard mattresses might offer comfort, they don’t provide the same level of heat regulation as cooling mattresses. If you struggle with night sweats or wake up feeling too hot, investing in a cooling mattress with advanced temperature-regulating materials can help you sleep more soundly. 

However, if you sleep in a cooler environment or don’t have trouble with temperature regulation, a regular mattress may suffice. Ultimately, it comes down to your personal sleep needs and comfort preferences.

10. Which Mattress Types Should Hot Sleepers Avoid?

Hot sleepers should steer clear of traditional memory foam mattresses that do not feature cooling technology. While memory foam offers excellent pressure relief, it tends to trap body heat, which can lead to discomfort for those who sleep hot. Similarly, mattresses with thick, solid foam layers that lack airflow channels or breathable covers are less effective at managing temperature.

Overly soft mattresses that allow you to sink deeply may cause body heat to become trapped around you, intensifying discomfort. Instead, focus on options designed with materials that actively work to dissipate heat and promote better airflow, ensuring a more comfortable night’s sleep.

11. What are the best sheets for hot sleepers?

Percale cotton makes the best sheets for hot sleepers. These sheets are lightweight and known for their moisture-wicking abilities, keeping you dry throughout the night. Furthermore, percale cotton is irresistibly soft, providing you with an extra-plush sleeping surface.

12. What causes night sweats?

Night sweats may occur if your bedroom is too hot or you are wearing too many layers. True night sweats are severe hot flashes that occur at night, but are not associated with an overheated environment. These hot flashes are related to several health conditions like hypoglycemia, menopause, and hormone disorders.

13. What is a cooling mattress?

Cooling mattresses prevent your heat from getting trapped into your mattress. These beds use various materials to dissipate body heat, such as gel infusions, graphite, copper, or pocketed coils to increase airflow.

Cooling mattresses are best suited for individuals who have a difficult time staying cool at night. It’s common for hot sleepers to experience frequent wake-ups and night sweats, resulting in sleep loss.

Conclusion

Understanding if you’re a hot or cold sleeper can help you construct a routine and sleep environment suited entirely for you. As you incorporate new practices into your nighttime routine, it’s important to consider others around you as well. If you sleep with a partner, it might be a good idea to find the perfect sleep temperature together.

Finding the right balance in temperature isn’t just about comfort—it can directly impact your sleep quality, energy levels, and overall well-being. By recognizing your sleep temperature tendencies, you can make informed choices that promote deeper, more restorative sleep.

You’ll also want to consider your bedding type and look for products specifically designed with your sleeping temperature in mind. Electric blankets are often a great purchase for cold sleepers seeking a good night’s sleep, while mattresses with cooling features like gel or graphite are better suited for hot sleepers.

When it comes to hot and cold sleepers, sometimes making simple changes, like purchasing thinner sheets or adding more blankets, is all you need for a better night’s sleep.