Designed for Hot Sleepers. Built for Ultimate Comfort.

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

All-Night Cooling

All-Night Cooling

Stay cool, comfortable, all night.

Supports REM and Deep Sleep

Supports REM and Deep Sleep

Enhances rest for peak recovery.

Eliminate Body Sweat

Eliminate Body Sweat

Dry nights, better sleep guaranteed.

Works With Your Existing Setup

Works With Your Existing Setup

Compatible design, effortless integration.

Energy Efficient

Energy Efficient

Save energy without sacrificing comfort.

EMF Free

EMF Free

Sleep safely with zero worries.

Ultra-Quiet Operation

Ultra-Quiet Operation

Whisper-quiet for undisturbed rest.

No Maintenance Required

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.

  • 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
FluxSleep

FluxSleep

The Other Guys

The Other Guys

Starting Under $200
No Subscription Required
No EMF
Energy Efficient
5 Minute Setup
  • 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.