Claire Davies

Claire Davies

Managing Editor of Sleep, Certified Sleep Science Coach

Claire is a Certified Sleep Science Coach and the Managing Editor of Sleep at Tom's Guide. She curates our mattress guides and oversees our rigorous mattress testing procedures. Claire has over 16 years' product review experience and is connected to a wealth of globally renowned sleep experts including mattress designers and buyers, neuroscientists, and doctors of sleep medicine. As the Managing Editor of our Sleep and Mattress Team, Claire is responsible for all mattress and sleep content published on Tom’s Guide and is our expert on Saatva, DreamCloud, and Nectar mattresses. Claire is also certified to advise people on how to choose a mattress that suits their needs and budget, as well as helping them to create a nighttime routine and bedroom environment that helps them sleep better.

Latest articles by Claire Davies

Eight Sleep Pod 4 mattress cover with dual temperature control (indicated by one side of the bed red and the other blue) in bedroom with floor to ceiling windows and a phone icon showing sleep report with 100 sleep score

The 5 best smart beds and smart mattresses 2026: Top picks from a sleep tech reviewer

By Eve Davies last updated

Our sleep tech experts recommend the best smart beds and smart mattresses to regulate your temperature, customize your bed and track your health

Mattresses
A woman sits on the foot of a queen size Saatva Classic Mattress on a bed frame in a bedroom, her arms stretched as she considers the size of the mattress

The 7 best Saatva mattresses to buy online in 2026: Chosen by our expert testers

By Claire Davies last updated

Find the luxury bed of your dreams with our expert guide to the seven best Saatva mattresses online, cherry-picked by our experienced testing panel

Mattresses
A collage of images: on the left, the DreamCloud Classic Hybrid Mattress on a bed frame in our Sleep Lab. Top right, mattress testers Ruth Jones and Frances Daniels unbox the Siena Signature Mattress onto a bed frame. Bottom right, tester Nicola Appleton leaps onto the Helix Midnight Luxe mattress

Best mattress in a box 2026: hybrid, all-foam and organic boxed beds, tested by experts

By Claire Davies last updated

The best mattresses in a box offer comfort and support, delivered straight to your door. We've tested boxed beds of every type to find the 9 best for all sleep styles and budgets.

Mattresses
Tom's Guide Mattress Content Director Julia Sagar places both hands on the middle third of the Saatva Classic, where the lumbar crown is located, and smiles because it feels so supportive

The 7 best medium-firm mattresses of 2026: Reviewed by expert testers

By Claire Davies last updated

Finally get that Goldilocks comfort with the seven best medium-firm mattresses — all rated by our testers as not too soft but not too hard

Mattresses
In the top left corner, mattress testers Nicola and Appleton stand next to a stack of memory foam mattresses on a bed frame in our Sleep Lab. In the top right, Lauren Jeffries lies on the Nectar Premier Memory Foam Mattress while Ruth Jones jumps on the bed to test the motion isolation. Bottom left, Nicola Appleton and Frances Daniels take a break from testing to relax on the Siena Signature Mattress. Bottom right, mattress tester sits on the edge of the Plank Firm to test the edge support

What is the best memory foam mattress of 2026? Top 7 tested by our sleep experts

By Claire Davies last updated

Our experts have slept on memory foam mattresses from Nectar, Tempur-Pedic, Saatva and more to bring you this guide to the best, based on unbiased reviews and objective data.

Mattresses
Two of our mattress testers sit on the Siena Signature Mattress on a bed frame in our testing studio. On the left, Nicola Appleton sits close to the side of the mattress to test the edge support. On the right, Frances Daniels sits on the sleeping area of the bed to better understand the comfort.

The 8 best cheap mattresses in 2026: Reviewed by our expert testing panel and under $500 for a queen

By Frances Daniels last updated

Find quality comfort at a lower price with the eight best cheap mattresses — all tested and approved by our expert review panel

Mattresses
Best mattress under $1,000: The image shows Tom's Guide's testers unpacking the Siena Memory Foam Mattress

The best mattress under $1,000 in 2026: Proof that great sleep doesn't have to cost a fortune

By Nicola Appleton last updated

Take your dollar further by investing in one of the best mattresses for under $1,000 in a queen size — all tried and tested in controlled and real-world settings by our expert sleep team.

Mattresses
A four-image collage of the best mattresses showing testers sleeping on their side.

These are the 8 best mattresses for side sleepers in 2026 according to the expert testers who slept on them

By Claire Davies last updated

Find cushioning comfort to soothe your shoulders and hips with our guide to the eight best mattress for side sleepers, chosen by our expert reviewers and backed by unbiased test data

Mattresses
A collage of photos depicting the various stages of our hybrid mattress testing and reviewing process in order to find the best options for people to buy in 2025

The 7 best hybrid mattresses in 2026: According to our sleep experts, lab-based test data and in-depth reviews

By Claire Davies last updated

Find the comfort and support of your dreams with our guide to the seven best hybrid mattresses online, narrowed down from over 80 foam-and-spring beds our expert team has tested

Mattresses
Two people sit on top of the Plank Firm flippable double-sided mattress in a bedroom

The best firm mattress 2026: Tested and approved by sleep experts

By Claire Davies last updated

We've slept on and tested the latest firm mattresses to bring you our guide to the very best options on the market in 2026.

Mattresses
A tester sits on the edge of the bet fiberglass-free mattress, the Saatva Classic

Best queen size mattresses in 2026: 6 beds that impressed our expert testing panel

By Claire Davies last updated

After testing the best queen mattresses of 2026, these are six top picks our team of expert bed testers recommend

Mattresses
Lady putting her shoes on sitting on an Avocado Mattress

The best organic mattresses of 2026: Tried and tested by our expert team for clean, non-toxic sleep

By Claire Davies last updated

We put the best organic mattresses of the year to the test. These are the five we recommend for clean, non-toxic sleep.

Mattresses
Two women carrying out a motion isolation test on the Brooklyn Bedding CopperFlex mattress in sleep studio. They place a wine glass on one side and drop a kettle bell on another.

The best pillow-top mattresses of 2026: Our expert picks for hotel luxury at home

By Lauren Jeffries last updated

Our expert team of mattress testers have reviewed all of the best pillow top mattresses — these are the 9 we recommend in 2026 to recreate hotel luxury at home.

Mattresses
Brooklinen All-Season Down Comforter draped on the bed in a brightly lit room

The best comforters 2026: Cozy picks for all sleepers

By Becky George last updated

Our best comforter picks of 2026 for all seasons, sleeping styles and budgets.

Pillows & Bedding
Popping on the Purple Waterproof Mattress Protector on the bed

Best Mattress Protectors 2026

By Becky George last updated

Extend the life of your bed by protecting it against spills, stains, dust and grime with our top 6 mattress protectors for all budgets and needs.

Pillows & Bedding
Best Pillows stacked atop each other in TG Sleep Studio

Best pillows of 2026 for all sleepers

By Becky George last updated

Here's our guide to the best pillows in the market for all sleeping styles, body types and budgets, tried and tested by experts.

Pillows & Bedding
A woman with long dark hair blows her nose in bed because she is sick

Doctor reveals common bedroom item that acts as a ‘reservoir’ for the flu virus – plus how often you should wash your bedding when sick

By Claire Davies published

This is exactly how long the flu virus lives on your bed sheets and mattress – plus how often doctors recommend cleaning your bed when you’re sick

Sleep
A woman sites on the edge of a Saatva Classic mattress, with a badge overlaid saying Tom's Guide Cyber Monday Mattress Deals

The best Cyber Monday mattress deals 2025

By Claire Davies last updated

It's your final chance to get the lowest price on a mattress before the year ends — today's biggest deals still live for all budgets

Mattresses
Warmly lit bedroom scene with a variety of products to help you sleep better, including a box of herbal tea, socks and a sunrise alarm clock

I’m a sleep coach and ex-insomniac — 12 products I use in my nighttime routine to fall asleep fast (and most of them are on sale for Cyber Monday)

By Claire Davies published

Over the years I’ve tested countless gadgets, mattresses, pillows and sleep sprays. These are the ones that knock me out night after night

Sleep
A tester sits on the edge of the Saatva Classic mattress to test its support.

Black Friday mattress sales 2025: The best deals still live

By Louis Ramirez, Claire Davies last updated

The Black Friday mattress sales 2025 are finished, but you can score Cyber Monday savings — our full guide to the deals.

Mattresses
This image shows two of our sleep team testing mattress in the Sleep Lab, debating when's the best time to shop. On the left, Nicola Appleton sits on a Helix Midnight Luxe mattress. On the right, Ruth Jones sits on a Saatva Classic mattress, a laptop open in her lab as she checks for sales. In the top right corner is a Cyber Monday vs Black Friday mattress deals graphic

Cyber Monday vs Black Friday mattress deals: when is the best time to buy a mattress?

By Claire Davies last updated

Are the Black Friday mattress deals the best time to buy a mattress or do bigger sales arrive on Cyber Monday? We’ve analyzed past sales to find out.

Mattresses
The Saatva Classic luxury innerspring hybrid is the best mattress we've tested, scoring 4.8 out of 5 in our seven robust data-led lab tests and value for money analysis. Here it's photographed on a white wooden bed frame in our blue coloured sleep product testing lab

Saatva Black Friday sale 2025: The best deal of the year is back

By Claire Davies last updated

I've been tracking the Saatva Black Friday sale for five years — here's why this year's offer is worth shopping if you're looking to bring home one of its luxury handcrafted mattresses.

Mattresses
A hexagon-shaped Black Friday mattress deals hub badge surrounded by four mattresses. The word LIVE is on the bottom center of the image.

All the best extended Black Friday mattress deals 2025 — tracked live by a veteran deals hunter

By Claire Davies last updated

Black Friday is over, but these deals are still live! I’m bringing you the very best mattress and bedding deals live, plus the latest sales news and our top money-saving hacks

Mattresses
The Saatva Classic luxury innerspring hybrid is the best mattress we've tested, scoring 4.8 out of 5 in our seven robust data-led lab tests and value for money analysis. Here it's photographed on a white wooden bed frame in our blue coloured sleep product testing lab

The Saatva Classic took my sleep from zero to hero, but even I admit this isn’t the right mattress for everybody

By Claire Davies published

There’s no such thing as the perfect mattress, but the Saatva Classic comes close

Mattresses
Tom's Guide Sleep Concierge team image shows two of our mattress testers sitting on a luxury hybrid mattress in our sleep product testing lab

Our Cyber Monday Sleep Concierge service is live — get personalized mattress and pillow recommendations direct from our experts

By Claire Davies published

Need a new mattress, pillow or bedding set but unsure where to start? Answer these six simple questions and our Sleep Concierge team will send you recommendations unique to you

Mattresses
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