Claire Davies

Claire Davies

Senior Sleep Editor, Certified Sleep Science Coach

Claire is a fully qualified journalist and Certified Sleep Science Coach with over 15 years’ product review experience. Claire is responsible for all mattress and sleep content published on Tom’s Guide, including our Best Mattress of 2025 buying guide. She is our expert on Saatva, DreamCloud, Nectar and Tempur-Pedic mattresses, and is also our in-house hybrid mattress specialist. Claire is certified to advise people on how to choose a mattress that best suits their sleep, body and budget, as well as helping them to create a nighttime routine and bedroom environment that promote good sleep. As Senior Sleep Editor, Claire takes the lead on developing and overseeing rigorous testing procedures for our mattress reviews, both at home and in our fully equipped Sleep Studio. Claire leads a team of experienced sleep and mattress specialists who report on and test a wide range of mattress and sleep products, and she also writes about all things related to sleep, and has interviewed a wealth of experts including mattress designers and buyers, neuroscientists, and doctors of sleep medicine. 

Latest articles by Claire Davies

The best smart beds and smart mattresses: image shows the Sleep Number 360 i8 Smart Bed in a silver and black bedroom

The best smart beds and smart mattresses 2025: cutting-edge tech to help you sleep better

By Claire Davies last updated

Our experts recommend the best smart beds and smart mattresses, featuring advanced tech to foster better quality sleep and help cultivate more mindful habits.

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

Best cheap mattress 2025: we tested the top budget beds under $500 for a queen

By Claire Davies, Frances Daniels last updated

We've tried and tested 2025's best cheap mattresses for every sleeper on a tight budget, with affordable queen beds under $500.

Mattresses
The Allswell mattress review image featuring the mattress on a wooden bedframe in a white bedroom

The Allswell mattress review 2025

By Alison Barretta last updated

In our Allswell mattress review, we put Walmart's bed-in-a-box through its paces. Here's what we discovered...

Mattresses
The Saatva Classic mattress photographed in our sleep studio during the testing and review process, with the cream and gold mattress shown on a deep blue-green background and with a Tom's Guide Editor's Choice 5-star rated review badge overlaid on the bottom right hand corner

Saatva Classic Mattress review 2025: Hotel luxury at home

By Claire Davies last updated

We’ve retested every inch of the Saatva Classic and still rate it as the comfiest mattress in the world. Here’s our full review to explain why we recommend it to nearly all sleepers…

Mattresses
A woman with long brown hair sits up in bed covered in a pink comforter and yawns because she is so sleep deprived

I’ve been sleep deprived for over two years — my three top tips for easing symptoms

By Claire Davies published

I’m a sleep coach dealing with longterm sleep deprivation. Here’s what I do day-to-day to reduce my symptoms of brain fog, fatigue and irritability…

Sleep Problems
The DreamCloud Hybrid Mattress on a bed frame in a bedroom, between two night stands with lamps on top, two pillows balanced at the top end of the bed

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 best queen mattress of 2024 image shows The DreamCloud hybrid on a wooden bed frame in a white bedroom

What’s the best queen size mattress in 2025? I’m a mattress tester – these are my top picks

By Claire Davies last updated

Queen is the most popular mattress size in America and our sleep experts have found the six best queen size mattresses to shop today.

Mattresses
Best mattress protector 2022: a woman fits a white mattress cover over her Linenspa memory foam mattress

The best mattress protectors 2025: waterproof, cooling and zipped covers compared

By Claire Davies, Becky George 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
best mattress topper: Casper Comfy Mattress Topper, featuring a woman resting on her back enjoying said topper on her bed

The best memory foam mattress topper in 2025: tested by sleep experts

By Frances Daniels last updated

Our sleep experts have tested the best memory foam mattress toppers of 2025, here's what we recommend for every sleep style and budget.

Mattress Toppers
Best pillow-top mattresses main image shows a blonde woman in a denim shirt reading a book while lying on top of the Stearns & Foster Estate Mattress

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

By Jo Plumridge last updated

We rate the best pillow-top mattresses for comfort, support and price, with full reviews from our certified sleep experts.

Mattresses
A couple sits on the Tempur-Pedic Tempur-Cloud Mattress on a bed frame in a bedroom, a Tom's Guide Black Friday mattress deals graphic (right)

By Louis Ramirez, Claire Davies last updated

Black Friday has ended but there are some great mattress deals still live today.

Mattresses
Image shows the Saatva Classic mattress on a blue-grey background with a Cyber Monday mattress sales badge overlaid in the top right corner

The best Cyber Monday mattress and bedding deals 2024: top sales from Nectar, DreamCloud, Helix — chosen by sleep experts

By Louis Ramirez, Claire Davies last updated

All the best Cyber Monday mattress deals in today's extended sales — chosen by our team of certified sleep experts and mattress reviewers

Mattresses
Image shows the Saatva Classic mattress on a white bed frame with a blue Cyber Monday deals badge overlaid on the bottom right

Saatva's Cyber Monday sale 2024 is live: Today's best deals for the cheapest prices

By Claire Davies published

Today's Saatva Cyber Monday sale sees a return to this year's cheapest Saatva Classic prices. Here are the deals I'd buy based on my knowledge of the brand's price history...

Mattresses
A man touching a mattress in a store

When is the best time to buy a mattress? Here's why it's Black Friday

By Claire Davies last updated

Here's everything you need to know about all the major mattress sales of the year, and if Black Friday is the best time to buy

Mattresses
The Saatva Classic mattress in a blue bedroom and placed on a white wooden bedframe with a Black Friday sales badge overlaid on the bottom left hand corner

Saatva Black Friday sale 2024: $400 off luxury mattresses

By Claire Davies last updated

My hand-picked deals from Saatva's big holiday sale

Mattresses
A couple talk and laugh while sitting on the DreamCloud Hybrid mattress with a blue Black Friday mattress deals badge overlaid on the bottom right hand corner

DreamCloud's cheapest mattress for back pain drops to $349 in new Amazon Black Friday sale

By Claire Davies published

We've never seen the 14" DreamCloud Hybrid drop this low in a major Amazon holiday sale before.

Mattresses
A man sits up in bed at night because restless leg syndrome is keeping him awake and is affecting his sleep

9 signs that it’s time to buy a new mattress

By Jo Plumridge last updated

Is it time to replace your mattress? Here are nine telltale signs you need a new one — and three that you just need a new bed topper

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

How to choose a mattress — tips from a Certified Sleep Coach

By Claire Davies last updated

Choosing a mattress doesn’t have to be rocket science – here’s how to do it easily and within your budget.

Mattresses
The Saatva Classic mattress in a blue bedroom and placed on a white wooden bedframe with a Black Friday sales badge overlaid on the bottom left hand corner

I’m a sleep coach — the best mattress I’ve slept on is $400 off in Black Friday sales

By Claire Davies published

I’ve slept on a mountain of boxed and traditional mattresses, but the Saatva Classic beats them all – and it’s $400 off this Black Friday

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
October's Amazon Prime Day mattress deals guide image shows a couple sleeping on a Siena Memory Foam Mattress placed on a wooden bed frame, with a blue Prime Day sales badge overlaid in the bottom right hand corner

October's Amazon Prime Day mattress deals 2024: The 9 best deals still live

By Jack Ridsdale, Claire Davies last updated

Amazon Prime Day mattress deals and had some huge discounts on top-rated beds. Although the sale has technically ended, there are still some good deals live now

Mattresses
A man with short and curly brown hair sleeps peacefully on his side in bed

I’m a sleep coach — my 3 best tips for better sleep this World Mental Health Day

By Claire Davies published

Good quality sleep boosts your mental health. For World Mental Health Day 2024, I’m sharing the three best tips I’ve learned for better sleep.

Sleep
Image shows the Saatva Classic mattress on a grey fabric bed frame placed on a white patio overlooking a blue ocean, with a blue price drop sales image overlaid in the top left hand corner

Saatva launches new flash sale — save $400 on the world’s best hybrid mattress

By Claire Davies published

This is your last chance to save $400 on the Saatva Classic hybrid mattress before this year’s Black Friday sales begin.

Mattresses
A pile of white hybrid and memory foam mattresses on sale this Labor Day placed on a green background with a blue price drop badge overlaid on the image

Best Labor Day mattress sales 2024

By Claire Davies, Louis Ramirez last updated

This year's Labor Day mattress sales are live today and there's something for every sleeper and budget. Here's what our experts recommend buying for better sleep...

Mattresses
A Saatva Classic Mattress on a bed frame outdoors on a platform by the sea, a Tom's Guide price drop deals graphic (right)

Saatva Labor Day sale 2024: Save $400

By Claire Davies last updated

If you need a new mattress and want a Saatva, the Labor Day sales are a great time to buy with $400 off every size – prices start from $895. Here’s what I’d buy…

Mattresses
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