#1 SELLING NEW COOLING MATTRESS PAD IN AMERICA

Flux Sleep Cooling Mattress Pad

Sleep Cooler, Wake Up Refreshed - Without Spending $2,000+

✓ Active, water-based cooling technology

✓ Set up in under 5 minutes

✓ Works with any mattress

✓ Affordable, no subscription required

$299.00 USD

~~$399.00 USD~~ $299.00 USD

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Size Twin Full Queen King California King

30-Day Guarantee
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Cooling Mattress Pad Benefits

❆ Deeper, More Restorative Sleep

❆ Reduces Night Sweats & Overheating

❆ Improved Cognitive Function

❆ Supports Cardiovascular Health

❆ Reduces Stress & Cortisol Levels

❆ Helps Insomniacs Fall Asleep Faster

❆ Improves Sleep Consistency

❆ Reduces Risk of Sleep Disorders

Boosts Immune Function

What's In The Box

• Main Unit: The core system responsible for cooling and circulating water.

• Mattress Pad: A specially designed pad through which temperature-controlled water flows for optimal comfort.

• Silicone Tubing & Water Stopper: Securely connects the main unit to the mattress pad, ensuring efficient water transfer.

• Power Adapter: Plugs into any standard household outlet to power the main unit.

• Remote Controller: Allows easy, precise temperature adjustments at your fingertips.

• User Manual & Welcome Guide: Includes setup instructions and helpful tips to get you started quickly.

For Full, Queen, King, and California King sizes, two of each component are included, allowing independent temperature control for both sides of the bed.

Shipping Information

We ship worldwide using trusted carriers such as USPS, UPS, FedEx, along with select partner services when needed.

Estimated Delivery Times
• USA: 4–6 business days
• Canada: 4–6 business days
• Rest of the World: 8–12 business days

Most orders are dispatched from our U.S. fulfillment center in Wyoming. For faster and more cost-effective delivery - especially to Canada or the rest of the world - some orders may ship from our international fulfillment partners.

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Failed or Missing Deliveries
• Undeliverable Packages
If a package cannot be delivered due to an incorrect or incomplete shipping address, an absent recipient, or refusal of delivery, it will be returned to Flux Sleep at the customer’s expense.
• Tracking Shows Delivered but Item Not Received
We don’t issue refunds or replacements for items the carrier marks as delivered. To avoid issues, please ship to a secure address. If your order shows as delivered but you can’t locate it, check your mailbox, speak with your local post office, or contact the carrier directly.

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Tracking & Delivery Estimates

You’ll receive tracking once your order ships—typically within 1–3 days of purchase (excluding pre-orders). Delivery timelines are courier estimates based on averages and aren’t guaranteed.

Need help? Reach us at hello@fluxsleep.com.

Return Policy (100 Days)

If you are unhappy with your Flux Sleep for any reason, you have 100(!) days to return it for a full refund.
Note: The product needs to be in unused condition.

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Designed for Hot Sleepers. Built for Ultimate Comfort.

Affordable, Effective, and Whisper-Quiet Cooling for Healthier Sleep

All-Night Cooling

Stay cool, comfortable, all night.

Supports REM and Deep Sleep

Enhances rest for peak recovery.

Eliminate Body Sweat

Dry nights, better sleep guaranteed.

Works With Your Existing Setup

Compatible design, effortless integration.

Energy Efficient

Save energy without sacrificing comfort.

EMF Free

Sleep safely with zero worries.

Ultra-Quiet Operation

Whisper-quiet for undisturbed rest.

No Maintenance Required

Hassle-free sleep, zero upkeep needed.

Active Water Circulation for Sweat-Free, Deep Sleep All Night Long

Hot Sleepers, Meet Your Match

Experience the difference of active water cooling that draws heat away from your body, preventing night sweats and interruptions for deeper, restorative sleep.

Affordable Sleep Tech, Finally

Forget $3,000 mattress setups and monthly subscriptions. The Flux Sleep provides the same cooling power, but for less than 1/10th of the price of high-end systems.

Works With Any Bedroom Setup

Don’t replace your bed. Just upgrade it. The slim, flexible design effortlessly slides between your mattress and fitted sheet, instantly transforming your sleep without changing your setup.

How It Works (Step‑by‑Step)

1. Unroll & Place Pad
Unroll and place it on top of your mattress, and under your sheets and comforter.
2. Fill Water Tank & Plug In
Fill the water tank with regular tap water and plug it in.
3. Sleep Cool Tonight!
Turn it on and enjoy a temperature-controlled bed within minutes.

Why FluxSleep Does It Better

FluxSleep vs. The "Other Guys"

Features

Starting Under $200

No Subscription Required

No EMF

Energy Efficient

5 Minute Setup

Guaranteed Satisfaction With FluxSleep

Daniel K. | ⭐️⭐️⭐️⭐️⭐️
"I tried everything - melatonin, blackout curtains, white noise. But nothing helped me actually stay asleep. This was the first thing that made a real difference. It’s like my body finally got permission to relax."
Erika S. | ⭐️⭐️⭐️⭐️⭐️
"I used to dread going to bed because I knew I’d be up by 2 a.m. soaked in sweat. Now I sleep through the night and actually look forward to getting into bed. It’s like my bedroom finally matches the calm I want to feel."
James R. | ⭐️⭐️⭐️⭐️⭐️
“I wanted an cooling mattress topper but couldn’t justify dropping thousands. This gave me everything I wanted, with no app BS, no subscription. Just sleep that feels effortless. My only regret is not buying it sooner.”

Join Thousands of Happy FluxSleep Users

Customers worldwide are transforming their sleep with FluxSleep!

"FluxSleep was rated as the best new cooling mattress pad of 2025"

Sarah Johnson

TechReview.com

Meet Our Expert

With Over 25 Years of Experience

As a sleep expert with over 25 years studying thermoregulation and its impact on rest, I've evaluated countless cooling solutions (from fans to those high-end pods) and Flux Sleep stands out for its simplicity and effectiveness.

I've seen firsthand how overheating disrupts sleep cycles, reducing REM and deep sleep stages - essential for cognitive function, immune health, and daily energy. That's why I endorse Flux Sleep: its maintains optimal body temperature without noise or complexity, promoting uninterrupted, restorative sleep with more REM for better memory and learning, deeper slow-wave sleep for physical recovery, and waking up truly refreshed. At a fraction of the cost of premium systems, it's a breakthrough making healthier sleep accessible to everyone.

Robert Kessler

Frequently Asked Questions

Does this require a new mattress?

Nope! It works with any mattress and fits under your existing fitted sheet.

Is there a subscription?

Never. It’s a one-time purchase with no ongoing fees.

Is it loud or noisy?

Nope! The water pump is whisper quiet and can be placed under your bed or nightstand.

What health benefits can I expect?

By keeping you cool, FluxSleep helps prevent sleep disruptions, promoting deeper slow-wave sleep for physical restoration, more REM for cognitive benefits like memory consolidation, and waking up feeling refreshed with improved energy and immune support.

Flux Sleep Cooling Mattress Pad