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Tired of Sleeping Hot?
REM-Fit memory foam benefits from a revolutionary open-cell construction keeping it cool!
Proven to wick moisture and dissipate heat away from the body keeping your sleep environment at just the right temperature
Why Choose The 400 Mattress?
2000 Premium Pocket Springs
Weightless Pressure Relief
Open-Cell Visco Memory Foam
15-Year Trust: REM-Fit's Durability Promise
At REM-Fit, durability is key.
We rigorously test our mattresses using the Juggernaut machine, which simulates 15 years of use, ensuring they meet our high standards of durability.
Watch the video to see our process in action and discover how our products stand the test of time.
Advantages of shopping with us
*200-Night Trial
Sleep on it for up to 200 nights. Love it or we’ll collect it free for a full refund.
Free Delivery
*Free 1-3 Days delivery to your bedroom, 3-hour slot. Optional old mattress disposal.
15 Year Guarantee
Built to last with a 15-year full replacement guarantee. sleep soundly, worry-free.
0 Finance
Sleep now, pay later. Get 0% APR financing up to 12 months. Apply at checkout.
Boost your mattress sleep trial to 200 nights!
Just purchase a REM-Fit mattress protector along with your mattress. Remember to select the correct size for the perfect fit!
✔ 200-Night Sleep Trial
✔ Shield mattress: block stains, extend life
Up to 200 night sleep trial, to do as you please with it
Risk Free
Enjoy a risk-free 200-night trial to test your REM-Fit mattress at home.
What's the catch?
No catches - if the mattress isn’t right, return it free for a full refund!
Bedding-In
Allow 30 nights to adjust to your new mattress before initiating a return.
How to return?
To request a return, start a live chat and follow instructions.
Our mattresses fit all bed types
Adjustable Bed
Divan Bed
Platform Top Base
Slatted Bed Frame
Save an extra £150 off Bed Frames
- Traditional, chesterfield design
- Deep cushioned headboard
- Reinforced base
- Up to 40 stone capacity
- FSC® certified
Available in 3 sizes
- Modern, elegant design
- Deep cushioned headboard
- Reinforced base
- Up to 40 stone capacity
- FSC® certified
Available in 3 sizes
- Modern, buttoned curved design
- Deep cushioned headboard
- Reinforced base
- Up to 40 stone capacity
- FSC® certified
Available in 3 sizes
Our mattresses passed stringent CertiPUR testing
✔️ Made without heavy metals such as mercury, lead, or cadmium
✔️ Made without dyes that are carcinogenic or allergenic as described by EU legislation
✔️ Made without Phthalate plasticisers
✔️ Made without substances that cause cancer or heritable genetic damage
✔️ Emitting low levels of VOCs (volatile organic compounds)
We never waste a returned mattress
We donate our mattresses to the British Heart Foundation. In order for them to sell the mattress on through their network of UK based stores the mattress needs to be in a clean and usable condition.
100% of proceeds go towards the British Heart Foundation charity.
Comfort is in the detail
Frequently Asked Questions
Find the best mattress for you!
You are only 7 answers away from finding out which mattress is best suited for your sleep!
By the time you reach the end, we'll provide you with a crystal-clear recommendation about the ideal model.
See more of our mattresses
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Medium-Firm Support (7.5/10): Perfect balance for comfort, spinal alignment, and pressure relief.
- Which? Best Buy Mattress: Trusted for superior quality and performance.
- Hybrid Comfort & Support - 4000 pocket springs: Deep, breathable memory foam and 4000 pocket springs adapt to your body for tailored, zoned support.
- Edge-to-Edge Stability & Motion Isolation: Reinforced edges maximise your sleeping surface, while motion isolation ensures an undisturbed sleep.
- Eco-Friendly Mattress Recycling: Convenient recycling service for your old mattress, making your purchase more sustainable.
- Made in the UK: High-quality craftsmanship from a UK manufacture.
- In Stock: *Free 1-3 day delivery to room of choice.
Your FREE items with this mattress
2
X Memory Foam Pillows
Available in 10 sizes
- Black Friday Special Edition: Pre-order and secure your delivery early December!
-
Medium-Firm Support (7.5/10): Perfect balance for comfort, spinal alignment, and pressure relief.
- Which? Best Buy Mattress: Trusted for superior quality and performance.
- Hybrid Comfort & Support - 4000 pocket springs: Deep, breathable memory foam and 4000 pocket springs adapt to your body for tailored, zoned support.
- Edge-to-Edge Stability & Motion Isolation: Reinforced edges maximise your sleeping surface, while motion isolation ensures an undisturbed sleep.
- Eco-Friendly Mattress Recycling: Convenient recycling service for your old mattress, making your purchase more sustainable.
- Made in the UK: High-quality craftsmanship from a UK manufacture.
Your FREE items with this mattress
2
X Memory Foam Pillows
Available in 5 sizes
- Medium-Firm Support (7/10): Ideal balance of comfort and support.
- Pressure-Relieving Cooling Foam: Breathable foam designed to reduce pressure and prevent overheating.
- 1000 Pocket Springs for Hybrid Support: Tailored support with zoned pressure relief for enhanced comfort and body alignment.
- Edge-to-Edge Stability & Motion Isolation: Reinforced edges and motion isolation ensure uninterrupted sleep.
- Eco-Friendly Mattress Recycling: Convenient recycling for a sustainable choice.
- Made in the UK: Quality craftsmanship you can trust.
Your FREE items with this mattress
2
X Memory Foam Pillows
Available in 5 sizes
Elevate your sleep with our comfortable pillows!
- Good Housekeeping Approved 2024🏆(Best Pillow)
- Supports correct spinal alignment and provides excellent pressure relief.
- Cool gel-infused memory foam technology for a natural cooling effect
- Stay dry and cool with Re-Ax® fibres that absorb excess heat and wick sweat away from the body
- Ultra-light, stretchy, durable fabric
- Removable, washable cover
- Good Housekeeping #1 Memory Foam Pillow
- TechRadar Rate It 5-Stars
- Women's Health #1 Memory Foam Pillow
- Aids correct spinal alignment and provides excellent pressure relief.
- Memory foam crumbs provide contoured support as you sleep
- Stay dry and cool with Re-Ax® fibres that absorb excess heat and wick sweat away from the body
- Ultra-light, stretchy, durable fabric
- 5-Year guarantee against defects in workmanship or materials
- Cutting edge bamboo charcoal infused memory foam technology
- Naturally hypoallergenic making it ideal for allergy sufferers
- Regulates temperature, moisture and absorbs odours
- Allergy-free and dust mite resistant bamboo properties
- 5-Year guarantee against defects in workmanship or materials
