References

Latest References

The Birch Elite Natural Mattress on a bed frame in a bedroom. A member of our testing team lies on the left side of the mattress on her back, while another mattress tester sits on the right hand side of the mattress. They're testing the motion isolation, to determine if one person getting into a bed disturbs the other
What is motion isolation in a mattress?

By Frances Daniels Last updated

Good motion isolation is found in a lot of memory foam and hybrid mattresses, but what is it and why do couples need it?

Mattresses
The image shows an woman smiling as she places her hands on the surface of a white mattress while she crouches next to it
What is Tencel fabric and how does it keep you cool?

By Eve Davies Published

Hot sleeper? Here's why you should add Tencel to your checklist when looking for a new mattress and bedding.

Mattresses
A close-up shot of the coil system inside a mattress while a person lies on the top of the bed
What are the different types of mattress coils and how do they impact your sleep?

By Alison Barretta Last updated

Confused about mattress coil-jargon? Here's everything you need to know about them and how they impact your sleep.

Mattresses
A tester sits on the edge of the mattress to test the sturdiness of the foot of the bed.
What is edge support in a mattress?

By Frances Daniels Last updated

Good edge support is found in beds with high-quality designs, but what is it and why is it important when buying a mattress?

Mattresses
A collage of four pictures of mattress materials. Four mattress coils standing up (top left). Layer of individually wrapped coils (top right). White GlacioTex cover (bottom left). Four slabs of mattress foams (bottom right).
What is temperature regulation in a mattress — and why is it important for sleep?

By Eve Davies Last updated

Too hot (or too cold) at night? A mattress with good temperature regulation can go a long way in helping you sleep soundly. Here's what we learned during our latest visit to 3Z Brands in Arizona.

Mattresses
A member of our mattress testing team jumps onto the Nolah Original All Foam Mattress on a bed frame in a bedroom. She dives onto the bed ready to hit the cushioned comfort layers
What are mattress comfort layers and why are they important?

By Becky George Last updated

Don't know what a comfort layer is in a mattress? Our expert guide explains it all, including how to pick a bed with the right comfort layers for your sleep needs.

Mattresses
A closeup of the Brooklyn Bedding CopperFlex Pro Hybrid Mattress on a bed frame in a bedroom
What is GlacioTex — and how can it be used to help you sleep cooler?

By Eve Davies Last updated

Too hot to sleep? A specialist mattress fabric called GlacioTex could be your solution. Here's how it works

Mattresses
A woman in a gray sweatsuit lies on her back in bed with her hands placed on her pelvis.
Progressive Muscle Relaxation could be the secret to better sleep and less stress — here's how it works

By Jenny Haward Last updated

Progressive Muscle Relaxation can ease stress, anxiety and insomnia — we take a closer look at this century-old sleep method

Sleep
Testers inspect the newly unboxed DreamCloud Classic mattress.
Mattress jargon buster: Our expert glossary explains all the key terms you'll come across while bed shopping

By Claire Davies Last updated

Confused by all the technical talk when bed shopping? Our mattress jargon buster explains all the key terms you need to know

Mattresses
A woman with an afro sleeping on her side covered in grey duvet while she sweats in her sleep, thinking of a cooling mattress.
7 reasons you get so hot when you sleep

By Eve Davies Last updated

From menopause to your evening glass of wine, here are the reasons why you get so hot while you sleep — plus top tips to cool down

Sleep
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