How to Choose the Best Cooling Blanket

A cooling sleep product should do more than feel cool for the first few minutes. Look for materials and construction that promote airflow, move heat away from the body, and manage moisture throughout the night. Breathable covers, open-cell foams, latex, coils, and temperature-regulating textiles can all contribute, but room temperature and bedding choices also affect how hot or cool you sleep.

Wondering how to sleep cooler, especially when the temperatures rise? Experts say people tend to sleep better when they feel cooler, so you may be looking for ways to cool things down in order to improve your sleep quality.

One popular option right now is a cooling blanket. But what is a cooling blanket for summer? Ahead, we’ll explore everything you need to know about cooling blankets, including how they work and how to choose the best one.

A cooling sleep product should do more than feel cool for the first few minutes. Look for materials and construction that promote airflow, move heat away from the body, and manage moisture throughout the night. Breathable covers, open-cell foams, latex, coils, and temperature-regulating textiles can all contribute, but room temperature and bedding choices also affect how hot or cool you sleep.

Cool-to-touch vs. sustained heat management

When shopping for cooling sleep products, it is vital to distinguish between an initial cool-to-touch feel and sustained heat management:

• Cool-to-touch Feel: This is an immediate sensation of chill when you first lie down. Materials like high-molecular-weight polyethylene yarns, jade-infused fabrics, or certain phase-change materials (PCMs) feel cold instantly because they rapidly conduct heat away from your skin’s surface. However, this is often a temporary surface effect; if the material lacks a way to dissipate that heat elsewhere, it will eventually warm up to body temperature and stop feeling cool.
• Sustained heat management: This refers to a mattress or bedding’s ability to maintain a neutral temperature over an 8-hour sleep cycle. It relies on continuous airflow, deep thermal dissipation, and moisture regulation so that heat doesn’t build up inside the core of the mattress over time.

Three Pillars of Sleep Temperature

To cut through marketing claims, it helps to understand the three fundamental mechanisms that keep you comfortable at night:

Moisture management: Humidity is just as important as temperature. Moisture management refers to a material’s ability to wick sweat away from your skin and let it evaporate, preventing a sticky, humid microclimate from forming under your sheets.

Airflow: Simply put, this is how easily air circulates through and out of the mattress. Good airflow acts like a breeze, carrying away the warm air and humidity your body naturally generates while you sleep.

Thermal conductivity: This measures how efficiently a material absorbs heat from your body and transfers it away, rather than acting as a blanket that traps it. High thermal conductivity means heat moves rapidly through the material instead of pooling beneath you.

Cooling Mechanism	Primary Function	Best For	Trade-offs / Limitations
Open-Coil / Hybrid Construction	Airflow & Ventilation	Sustained heat management throughout the night	Higher motion transfer compared to pure foam beds
Phase-Change Materials (PCM)	Thermal Conductivity & Phase Shift	Initial temperature regulation when falling asleep	Cooling effect diminishes once PCM fully changes state
Graphite / Copper Infusions	Thermal Conductivity	Pulling deep heat away from foam comfort layers	Relies on airflow to dissipate heat once pulled away
Natural Latex & Open-Cell Foams	Airflow & Breathability	Sleepers wanting a foam feel without heat entrapment	More buoyant feel; lacks classic “hug” of memory foam
Organic Cotton Covers	Moisture Wicking & Airflow	Preventing surface humidity and sweat accumulation	Does not actively lower core mattress temperature
Active Cooling Devices (Water/Air)	Active Thermal Regulation	Extreme hot sleepers, night sweats, or menopause	High cost, potential fan noise, and requires power

What is a cooling blanket?

What is a cooling blanket—and what, exactly, is it used for? 

“A cooling blanket is a type of blanket made with special materials or technologies designed to pull heat away from the body or improve airflow, keeping the sleeper cooler throughout the night, explains Raj Dasgupta, MD, chief medical advisor for Sleepopolis. “They’re often lighter and more breathable than regular blankets.”

Cooling blankets have surged in popularity as more people look for ways to improve their sleep quality, especially during hot weather or due to conditions like night sweats, adds Dasgupta. 

“A cooling blanket is a type of blanket made with special materials or technologies designed to pull heat away from the body or improve airflow, keeping the sleeper cooler throughout the night.” – Raj Dasgupta, MD, chief medical advisor for Sleepopolis

How do cooling blankets work?

Cooling blankets work by either wicking moisture away, increasing airflow, or using materials that absorb and dissipate body heat, says Dasgupta. 

So, what’s a cooling blanket made of then? In addition to materials like bamboo and cotton, some use advanced fabrics infused with cooling fibers and others incorporate phase change materials (PCMs) that adjust to your body temperature.

Types of cooling blankets

Dasgupta lists the various types of cooling blankets, which include the following:

• Moisture-wicking blankets 
• Breathable cotton or bamboo blankets 
• Weighted cooling blankets
• High-tech versions using gel or PCM technology

Some cooling blankets focus on ventilation, while others actively manage heat retention.

Benefits of using a cooling blanket

Do cooling blankets work? According to Dasgupta, they carry a wide array of benefits, including the following:

• Better temperature regulation
• Improved sleep quality
• Reduced night sweats
• Potential relief from hot flashes or overheating

“They can also help lower your core body temperature, which is essential for deep, restful sleep,” he adds.

Drawbacks of using a cooling blanket

Although the benefits sound pretty great, especially on sweltering summer nights, there are some drawbacks to cooling blankets, says Dasgupta. These include:

• Higher price tag compared to regular blankets
• Limited effectiveness for extremely hot sleepers
• Occasional issues with durability or maintenance depending on the materials
• High-tech versions may feel too cold for certain sleepers

How to choose the best cooling blanket

When choosing a cooling blanket, there are a few factors to consider. According to Dasgupta, these factors include:

• The material (like bamboo, cotton, or PCM fabrics)
• Your personal sleeping temperature
• Weight preference (especially for weighted options)
• Ease of cleaning
• Your budget

He also says reading reviews about real-world cooling performance can help.

How to care for a cooling blanket

Keep in mind that care instructions vary by material. Generally, though, most cooling blankets can be machine-washed on a gentle cycle and air-dried.

“Always check the manufacturer’s label—some high-tech fabrics or weighted designs may require special handling or spot cleaning,” notes Dasgupta. 

Find the best cooling blankets at Saatva

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Aero Quilt Shop Now

Make bedtime even dreamier with our lightweight quilt in the softest cotton viscose gauze weave that’s dual-sided for versatility.

Organic Cotton Channel Quilt Shop Now

This all-cotton, all-season quilt is made with a 300 thread count sateen weave that gets softer with every wash. It’s designed to layer in colder months but is light and breathable on its own for warmer months.

FAQs

Do you use a sheet with a cooling blanket?

“Yes, you can use a sheet with a cooling blanket,” Dasgupta says. “A breathable, lightweight sheet made from natural fibers like cotton or bamboo can enhance comfort without interfering with the blanket’s cooling effect.”

Can you sleep on a cooling blanket?

While cooling blankets are primarily designed to be used as covers, you technically can sleep on one if it’s thin enough and made of breathable material. “However, sleeping under the blanket generally maximizes its cooling properties,” says Dasgupta.

Which side do you use on a cooling blanket?

“Some cooling blankets are double-sided, with one side specifically designed for cooling (often silkier or smoother) and the other for regular use,” explains Dasgupta. “Always place the cooling side against your body for the best effect—check the label or feel for the cooler surface.” 

What is the most important thing to consider before buying?

Start with the problem you need the product to solve, then compare support, comfort, materials, durability, care requirements, and return or trial terms. Avoid choosing on a single marketing feature alone.

Sleep cooler with Saatva

Saatva offers a variety of cooling blankets to help you stay comfortable while you snooze. Check out our Aero Quilt and Organic Cotton Channel Quilt and start experiencing cooler sleep.