Claire Davies

Claire Davies

Senior Sleep Editor, Certified Sleep Science Coach

Claire is a Certified Sleep Science Coach and the Senior Sleep Editor at Tom's Guide who curates our mattress buying 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

Image shows two of our best mattresses of 2025, the Saatva Classic luxury innerspring hybrid and the Helix Midnight Luxe, being tested and compared side by side in our Sleep Lab by a Tom's Guide's Sleep Editor and a Sleep Staff Writer who is inputing data into her laptop captured from the edge support test in action

The best mattress of 2025: Sleep better than ever with our 11 top picks

By Claire Davies last updated

Shopping for a new mattress? We’ve got you covered with our 11 top picks, tested by our certified sleep experts

Mattresses
We test the best cheap mattress, the Siena Memory Foam, to find out if its good value

Best cheap mattress 2025: 7 expert-tested budget beds under $500 for a queen

By Claire Davies last updated

We've tested a variety of budget beds, and these cheap mattresses offered us high-quality comfort at a low-cost.

Mattresses
Two women sit on the Saatva Classic mattress in a bedroom. they're looking at the mattress trying to decide if this is the right one for their sleep needs

The best luxury mattress 2025: Top 10 picks tested by sleep experts

By Lauren Jeffries last updated

Our team of mattress testers with nearly 5 years of experience have chosen the 10 most luxurious mattresses they've ever slept on.

Mattresses
The black and white Cocoon by Sealy Chill mattress placed on a purple bed frame in a bedroom with a white brick wall, two bedside cabinets and a plant

Cocoon by Sealy Chill mattress review: The most affordable cooling mattress around

By Jennifer Nelson last updated

A cooling all-foam mattress, the Cocoon by Sealy Chill won't break the bank. But does it perform? We tested it out.

Mattresses
A woman stands next to the Saatva Classic Mattress on a bed frame in a bedroom, pressing her hands into the medium-firm surface to test the pressure relief

The best Saatva mattresses in 2025: Our expert guide

By Claire Davies last updated

The Saatva Classic is our number one mattress. Discover the rest of the line-up with our guide to the best Saatva mattresses, tested and chosen by experts.

Mattresses
Water splash atop a white mattress protector

Best mattress protectors 2025: Sleep expert rated picks

By Becky George, Claire Davies last updated

Every mattress needs a mattress protector to keep it clean, dry and allergen-free. Our sleep experts have chosen the best mattress protectors for all sleepers.

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

The best firm mattress 2025, approved by sleep experts

By Claire Davies last updated

Time to upgrade your bed to something more supportive and solid? We've slept on and tested the latest firm mattresses to bring you our guide to the very best options.

Mattresses
The Allswell Mattress with no bedding in a clean, light-colored bedroom.

The Allswell mattress review 2025: hybrid support at a low price

By Alison Barretta last updated

The Allswell mattress promises medium-firm comfort and a cooler sleep, but does it deliver? We slept on it for a month to find out...

Mattresses
Purple Plus mattress review: Purple Plus mattress in a bedroom

Purple Plus mattress review 2025

By Jennifer Nelson last updated

The Purple Plus mattress is a plusher take on Purple’s GelFlex Grid. We slept on it to find out what this unusual memory foam mattress is like.

Mattresses
The DreamCloud Hybrid Memory Foam Mattress on a bed frame in a bedroom, shot from above

DreamCloud Mattress review 2025

By Alison Barretta last updated

We tested the DreamCloud Mattress for three weeks to see if this affordable hybrid can deliver the luxury sleep it promises.

Mattresses
The image shows a white mattress with a navy blue trim placed on a dark blue bed foundation in a white bedroom

WinkBed mattress review: Phenomenal support for those with back pain

By Jennifer Nelson last updated

We reviewed the WinkBed mattress to see if this handcrafted hybrid mattress, with customizable support for those with back pain, is indeed a worthy rival to the top-rated Saatva Classic.

Mattresses
Woman holding a stack of pillows in bed with a bedside table and night stand next to it

The best pillows of 2025: Our top tried and tested recommendations

By Becky George last updated

This is your guide to choose the best pillow for your sleeping style, body type and budget based on expert reviews and analysis.

Pillows & Bedding
Two members of our sleep team stand either side of a stack of the best memory foam mattresses we've tested, including the Nectar and Siena, balanced on a bed frame

What is the best memory foam mattress of 2025? Top 10 tested by our sleep experts

By Claire Davies last updated

Our guide to the 10 best memory foam mattresses you can buy online, tested and recommended by experts — with full reviews.

Mattresses
Avocado Green Mattress, featuring a woman and baby on said mattress

The best organic mattress 2025: Natural beds for cleaner sleep

By Claire Davies last updated

These 5 non-toxic beds are the best organic mattresses we've slept on this year for pressure relief, support, temperature regulation and more

Mattresses
Woman holding a bottle of Dr Teal's Calm Blend Sleep Spray for Pillows and Bed Sheets next to two white pillows on a bed she is about to spray

I’m a sleep coach — 5 cheap bedtime essentials I stock up on every Prime Day to get the best night’s rest

By Claire Davies published

Before I look at anything else in the Prime Day sale I make sure I’ve piled my basket high with these cheap yet brilliant sleep essentials

Sleep
A collage of our medium-firm mattress testing process

The best medium-firm mattress 2025: 7 beds tested and approved by sleep experts

By Claire Davies last updated

The best medium-firm mattresses combine firm support with plenty of cushioning for all sleep positions. We've tested plenty of these Goldilocks beds, and here's our top 7

Mattresses
The image shows the DreamCloud Classic Hybrid mattress on a grey bed frame with a Tom's Guide 'Price drop' badge on top

I’m a sleep coach and these 3 mattresses are worth every cent in today's 4th of July sales

By Claire Davies published

Better sleep for less is just a few clicks away thanks to these unbeatable 4th of July mattress deals

Mattresses
The Saatva Classic mattress photographed in our Sleep Lab during the review process, with the image showing it displayed against a blue-black background and placed on a large round gold plinth to match the golden piping along the edges of the mattress

‘This mattress revolutionized my sleep’: Saatva Classic Review 2025

By Claire Davies last updated

I slept on the Saatva Classic mattress for seven months, testing every inch from top to bottom. Here’s my review and why I recommend it to most people shopping for a new bed

Mattresses
The Saatva Classic Luxury Innerspring Hybrid mattress photographed in a blue bedroom, with a blue Tom's Guide Price Drop image overlaid on the bottom right hand corner of the image

I test mattresses for a living — my all-time favorite is now $400 off in 4th of July sales

By Claire Davies published

The Saatva Classic is the comfiest mattress I’ve tested, and this 4th of July discount brings it back to one of its cheapest prices of the year

Mattresses
Coop Home Goods Ultra Tech Waterproof Mattress Protector on a white mattress placed on a black bedframe in front of a window overlooking a city

Coop Sleep Goods Ultra Tech Waterproof Mattress Protector review 2025

By Claire Davies last updated

The Coop Sleep Goods Ultra Tech Waterproof Mattress Protector promises 100% waterproof protection. Here's what we found out after testing it over two weeks...

Pillows & Bedding
Two girls sitting on navy, bronze and white Brooklyn Bedding CopperFlex Hybrid Pro mattress in sleep studio with rattan bedframe, shelf and green plants

The best cooling mattress 2025: 8 expert-recommended beds for hot sleepers

By Eve Davies last updated

We've tested all the latest and greatest cooling mattresses and have selected these eight as the best options for hot sleepers to buy

Mattresses
A woman in a khaki green sleeveless top holds a white colander full of freshly washed raw spinach, a magnesium rich food that has multiple benefits to a person's health and sleep

I take magnesium for better sleep, but can a varied diet deliver the same results? I asked three dieticians

By Claire Davies published

I’m considering ditching my magnesium glycinate supplement after adding more seeds, greens and beans to my diet. Here’s why…

Sleep
Two girls sitting on navy, bronze and white Brooklyn Bedding CopperFlex Hybrid Pro mattress in sleep studio with rattan bedframe, shelf and green plants

The best pillow-top mattress in 2025: our expert picks for hotel-style comfort at home

By Lauren Jeffries last updated

We've slept on the best pillow top mattresses of the year designed to cushion and support the body — these are our nine favorites

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

Best hybrid mattress 2025: Our top 10 picks after rigorous testing

By Claire Davies last updated

A good hybrid mattress delivers the best of both worlds: superb support and cozy comfort. We've tested over 50 hybrid mattresses and these are the 10 we recommend buying

Mattresses
Five mattresses arranged in a composition on a sales-themed background with percentage sign and price tag symbols

Memorial Day mattress sales: What you need to know

By Claire Davies last updated

Memorial Day is one of the best times of year to buy a mattress for less, with discounts to rival Black Friday from many of our favorite brands.

Mattresses
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