The best cooling mattress pads for night sweats and hot flashes
Your mattress holds more heat than anything else in the bed. If you've upgraded your pillow and sheets and still wake up soaked, this is the piece you're missing.
9 minute read
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The short version
- Best all-around: a bamboo or eucalyptus (Tencel) mattress pad — breathable, moisture-wicking, washable, and under $100.
- Best for severe night sweats: a water-cooled mattress pad (like a Chilipad-style system). Active cooling is the only type that lasts all night — nothing passive keeps up past the first hour or two.
- Skip: plain gel-infused foam toppers marketed as "cooling." They feel cool for about 20 minutes, then trap heat worse than what you already have.
Why your mattress is the problem
You've got the cooling pillow. You swapped in breathable sheets. You even have a fan blowing across the bed. But you're still waking up in a puddle at 2am.
Here's why. Your mattress — especially if it's memory foam — is a heat sponge. It absorbs your body heat and holds it in a warm zone around you, so when a hot flash hits, you're starting from warm instead of neutral. The flash pushes you over the edge, you sweat through a night sweat, and the trapped heat keeps it going longer than it should.
A cooling mattress pad sits between you and that heat trap. It either breathes better than the mattress underneath (passive) or actively pulls heat away all night (active). Either way, it lowers the temperature you start from — so when a flash hits, it peaks lower and passes faster.
For the full picture of what causes flashes and what else you can do, see how to stop hot flashes.
Passive vs. active cooling — the honest difference
Before you shop, you need to understand this split, because it's the biggest decision on this page.
Passive cooling means the pad uses breathable materials — bamboo fabric, eucalyptus fiber, wool, or gel-infused foam — to move heat away from your body. These pads are affordable (usually $40–$120) and work well for mild to moderate night sweats. The catch: passive materials absorb heat until they're saturated, usually within one to two hours. After that, they're just a warm pad. For many people, that's enough — your body cools down, you fall back asleep, and the pad resets. But if you're having multiple soaking night sweats, passive cooling runs out of runway.
Active cooling means the pad has a motor or pump that circulates cool water (or air) through the pad all night. These systems — like Chilipad or Eight Sleep — can hold your mattress surface 12–14°F below its normal temperature, and they never saturate because they keep moving heat away. The downside: they cost $200–$500+ for a basic water pad, $2,000+ for the high-tech versions, and they have a motor you can hear.
Here's my honest take: if your night sweats are mild to moderate, a good passive pad is the right first step — it's cheap, it helps, and you can always upgrade. If you're soaking through sheets multiple times a night and nothing else has worked, an active pad is the single biggest upgrade you can make for sleep. It's expensive, but it does what nothing passive can do.
How we chose these
Same rules as every roundup on this site. We didn't get sent free pads and nobody paid to be here. Here's what we looked at:
- Cooling that lasts. "Cool to the touch" in a store means nothing if it's warm in an hour. We weighted toward materials and designs that keep working past midnight.
- Breathability and moisture-wicking. A pad that traps sweat against your skin defeats the purpose. Bamboo, Tencel, and wool all wick; solid foam doesn't.
- Washability. Night sweats mean washing often. A pad that can't go in the machine is a pad you'll eventually stop using.
- Fit and noise. Deep-pocket elastic, no bunching, no loud motors — practical stuff that matters when you're half-asleep.
- Value. We covered a range from under $50 to the high end, because the right pad depends on how bad your night sweats are and what you've already tried.
The picks
1. Bamboo mattress pad — best first upgrade
Best for: anyone who hasn't tried a cooling pad yet and wants to start without spending a lot.
Why it works: bamboo viscose is naturally breathable and wicks moisture fast, so sweat moves away from your skin instead of pooling. A quilted bamboo pad also adds a thin layer of airflow between you and a heat-trapping mattress. It's machine-washable, fits like a fitted sheet, and works with your existing bedding.
The con: it's passive — it won't actively cool you, and on a very hot night or during a heavy sweat, the wicking maxes out. But for mild to moderate night sweats, it's a real improvement over sleeping directly on foam.
2. Eucalyptus (Tencel) mattress pad — best for sensitive skin
Best for: hot sleepers with sensitive or easily irritated skin.
Why it works: Tencel (made from eucalyptus wood pulp) wicks moisture even better than bamboo and feels silky-smooth — it's naturally hypoallergenic and stays cooler to the touch. If you've noticed that night sweats leave your skin itchy or irritated, a Tencel pad is gentler than most cotton or synthetic options.
The con: slightly pricier than bamboo (usually $70–$130 for a queen) and can feel slippery under certain sheets. Pair it with percale cotton or bamboo sheets — not sateen — for the best grip and airflow.
3. Wool mattress pad — best temperature regulation
Best for: the "too hot then too cold" sleeper who kicks covers off after a sweat, then freezes.
Why it works: wool does something bamboo and Tencel can't — it regulates in both directions. It wicks moisture when you're hot and insulates when you cool down, so it smooths out the spike-and-crash cycle that night sweats create. Wool pads also resist dust mites and odor, so you don't need to wash them as often.
The con: wool pads cost more ($120–$250 for a queen) and they're heavier. Most can't go in a regular washing machine — you'll need to spot-clean or use a wool cycle. If you sweat heavily and need to wash weekly, that's a hassle.
4. Water-cooled mattress pad — best for severe night sweats
Best for: people with severe or frequent night sweats who've tried passive options and still wake up soaked.
Why it works: a water-cooled pad pumps temperature-controlled water through thin tubes in a pad that sits on your mattress. You set the temperature (typically 55°F–115°F), and the system holds it there all night. In independent testing, the best water-cooled pads kept the mattress surface 12–14°F cooler than baseline — all night, not just the first hour. That's a different league from any passive pad.
A study with Wake Forest University found that menopausal women using a water-cooled pad improved their sleep scores by 30% — which tracks with what I hear from readers who made the switch.
The con: cost. A basic water-cooled half-queen pad starts around $250–$400, and the high-end systems (like Eight Sleep) run $2,000+. The pump also makes some noise — usually a quiet hum, but audible in a silent room. And there's a bedside unit to find space for.
5. Gel-infused foam topper — the one to be careful with
Best for: people who need extra cushion and some cooling — but go in with realistic expectations.
Why it's here (with a warning): gel-infused memory foam toppers are everywhere, and "cooling" is their biggest marketing claim. Here's the truth: the gel does absorb heat initially, and a ventilated design helps, but foam is still foam. It hugs your body and traps warmth. In testing, even the best gel toppers only reduced surface temperature by about 3°F, and most of that faded within the first 60–90 minutes.
If you need a softer sleeping surface and some modest cooling, a ventilated gel topper with a breathable cover is fine. Just don't expect it to solve night sweats — treat any cooling benefit as a bonus, not the main event.
The con: it's the least effective cooling option on this list, and a low-quality one can actually make heat worse. If your primary goal is staying cool, spend the money on a bamboo pad or save up for a water-cooled system instead.
Quick comparison
| Type | Cooling | Lasts all night? | Washable? | Price (queen) |
|---|---|---|---|---|
| Bamboo pad | Moderate | Partial — wicking fades as it saturates | Yes, machine wash | $40–$80 |
| Tencel pad | Moderate-good | Partial — slightly better than bamboo | Yes, machine wash | $70–$130 |
| Wool pad | Moderate (regulates both ways) | Good — smooths hot/cold swings | Spot clean / wool cycle | $120–$250 |
| Water-cooled pad | Strong | Yes — active cooling all night | Cover only | $250–$2,000+ |
| Gel foam topper | Low | No — 60–90 min, then warm | Cover only | $60–$200 |
Frequently asked questions
Do cooling mattress pads actually help with night sweats?
The passive ones (bamboo, Tencel, wool) help by reducing the heat buildup that makes night sweats worse — they won't stop a flash, but they lower the starting temperature so a sweat peaks lower and passes faster. Active water-cooled pads go further — they hold the surface cool all night, which is why studies show real improvements in sleep quality for menopausal women. For the full breakdown of what causes flashes, see how to stop hot flashes.
Mattress pad vs. mattress topper — what's the difference?
A mattress pad is thin (usually quilted fabric) and sits on top of your mattress like a fitted sheet. It's mainly about protection and comfort, with cooling as a bonus. A topper is thicker (2–4 inches of foam, latex, or wool) and changes how the mattress feels. For cooling, a thin breathable pad usually beats a thick foam topper — less material means less trapped heat.
Can I use a cooling mattress pad with a cooling pillow and sheets?
Absolutely — that's the whole idea. Each piece handles a different zone. The pillow cools your head, the sheets wick sweat off your skin, and the mattress pad stops heat from building up underneath you. Together they lower your baseline temperature so a night sweat has less heat to work with. Add a bedside fan for instant relief when one hits.
How often should I wash a cooling mattress pad?
Every one to two weeks if you're sweating through them — night sweat residue builds up fast and can reduce wicking over time. Bamboo and Tencel pads handle frequent washing well. Wool pads need gentler care — air them out between washes and spot-clean when you can. For water-cooled pads, wash the fabric cover per the instructions and wipe down the pad itself monthly.
Is the water-cooled pad worth the money?
If your night sweats are severe — soaking through sheets, waking you multiple times, and passive products haven't made a real dent — yes. It's the single most effective cooling product on this site. Start with a half-bed pad (one side only, usually $250–$400) so you don't have to convince a partner. If it transforms your sleep, you'll know the money was well spent.
Start with a bamboo or Tencel mattress pad — it's cheap, washable, and a real step up from sleeping on bare foam. If you run hot-then-cold after sweats, try a wool pad instead for its two-way regulation. And if passive pads aren't cutting it and you're still soaking through at 2am, a water-cooled pad is the biggest upgrade you can make — it's the only thing on this list that stays cool all night. Pair any of them with a cooling pillow and breathable sheets for the full setup, and work on the flashes themselves in how to stop hot flashes.