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

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
A couple sit on the Casper The One mattress in a bedroom, a Tom's Guide price drop deals graphic (left)

Casper’s epic 35% off Labor Day sale is the best I’ve seen — what I’m buying this year

By Claire Davies published

Casper officially has the best mattress in a box deal this Labor Day, with a giant 35% off The One memory foam mattress.

Mattresses
The Nectar Classic Memory Foam Mattress on a bed frame in a bedroom

Puffy Cloud vs Nectar Classic Memory Foam: Which boxed mattress should you buy in Labor Day sales?

By Rachael Penn, Claire Davies published

The Puffy Cloud and Nectar Classic are both on sale this Labor Day. Here's how to choose between these popular memory foam mattresses...

Mattresses
Saatva Classic Mattress

I’m a sleep coach — the mattress I’d buy my family is $400 off in Labor Day sales

By Claire Davies published

The Saatva Classic is a comfy and cool hybrid mattress that suits every type of sleeper.

Mattresses
A female student lies on the Siena Memory Foam Mattress in a pink dorm room, a Tom's Guide price drop deals graphic (left)

Back to school mattress sales: 3 top-rated twin beds I’d buy, from $199

By Claire Davies published

Looking for a great mattress for college that will last beyond graduation? These are the best quality twin beds on sale now

Mattresses
The Saatva Classic Mattress on a beige fabric bed frame placed against a blue pool, with a blue price drop sales badge overlaid on the image

Should you buy the Saatva Classic mattress now or wait for Labor Day sales?

By Claire Davies published

Here’s why I’d buy the Saatva Classic mattress now if you want a split Cal king size.

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 Home Goods Ultra Tech Waterproof Mattress Protector review 2025

By Claire Davies published

It promises full waterproof protection, but does the Coop Home Goods Ultra Tech Waterproof Mattress Protector actually work? We test it to find out.

Pillows & Bedding
A young couple unbox and move a new memory foam mattress they bought from Amazon during the prime day deals event

How to spot a good Prime Day cheap mattress deal

By Frances Daniels published

Plus, the three best budget mattress sales to shop now, with prices from $137.

Mattresses
4th of July mattress sales 2024 image shows a stack of hybrid, memory foam and latex mattresses placed on top of each other on a teal-coloured background and with a blue price drop deals badge overlaid in the bottom right hand corner

4th of July mattress sales 2024: Our top picks, plus the best deals on bedding

By Nicola Appleton last updated

Our deals experts have found the best mattress sales live today, including an exclusive 4th of July discount that saves you up to 60% on a super-popular memory foam bed-in-a-box.

Mattresses
Image shows the Tempur-Pedic Tempur-Adapt+ Cooling Mattress Topper placed on a white mattress placed on a wooden bedframe, with a Tom's Guide price drop sales badge overlaid in the bottom right hand corner of the image

I’m a sleep coach – get 58% off the mattress topper I’d buy for hip and back pain in 4th of July sales

By Claire Davies published

The Tempur-Pedic Tempur-Adapt eased my hip and lower back pain and it’s on sale to Amazon Prime customers for $175 to celebrate the 4th of July.

Mattress Toppers
Emma Original Mattress placed on a grey fabric bedframe in a bedroom painted with blue-grey walls

I’m a mattress tester — Emma Sleep’s epic 4th of July sale is the best I've seen

By Claire Davies published

Emma’s best cheap boxed mattress drops to $296 in epic 4th of July sale

Mattresses
Tom's Guide's Sleep Editor drops a 10lb weight onto a Helix Midnight Luxe mattress to test its motion isolation

How we test mattresses: A guide to our review process

By Claire Davies, Julia Sagar last updated

How we select and test mattresses for our reviews and buying guides, and why you can trust our recommendations.

Mattresses
The Casper Mattress shown on a grey bed frame in a blue bedroom, with a blue price drop mattress sale badge overlaid on the image

Not a typo! Amazon is selling a Cal king Casper Mattress for just $716

By Claire Davies published

The Casper Mattress is the brand’s original boxed memory foam bed and you can save 49% on a Cal king at Amazon, reducing it to just $716.

Mattresses
Image shows the Saatva Memory Foam Hybrid mattress on a beige bedframe placed on a jute rug with a blue price drop sales badge overlaid on the bottom right corner of the image

Last chance to save $400 on Saatva's best hybrid mattress — sale ends today

By Claire Davies published

Saatva's extended Memorial Day sale ends today, so this is your last chance to $400 on the world's best hybrid mattress.

Mattresses
Memorial Day mattress sales 2024 image features the Amerisleep AS3 hybrid mattress on a grey fabric bedframe in a white bedroom, with a blue price drop sales badge overlaid

The 15 best Memorial Day mattress sales of 2024 are still live — last chance!

By Claire Davies last updated

I'm a mattress expert and these are the deals I recommend buying in the Memorial Day sales that are still live today, before prices start to rise over the summer months.

Mattresses
The Amerisleep AS3 Hybrid mattress, shown here on a grey bed frame in a white bedroom, is on sale for the best price in this year's Memorial Day sales

I test mattresses for work — these 3 Memorial Day sales are the best I’ve seen

By Claire Davies published

Shopping for a new mattress in today’s Memorial Day sales? These three sales from Bear Mattress, Saatva and Amerisleep are the cream of the crop.

Mattresses
Woman sitting on top of a Bear Original mattress in a white room, with a blue price drop sale image overlaid

Bear Mattress drops 40% off flash sale with up to $500 of free bedding for Memorial Day

By Claire Davies published

A queen size Bear Original is on sale for just $598 and you’ll get $320 of free bedding – Memorial Day flash sale ends today.

Mattresses
PlushBeds Latex Mattress Topper

3 latex mattress toppers I’d buy in Memorial Day sales to make a soft bed firmer

By Claire Davies published

I’m a sleep coach and these are the latex mattress toppers I’d buy in Memorial Day sales to make a soft mattress feel firmer.

Mattress Toppers
A mattress sales person wearing a blue shirt explains some mattress jargon to a woman with red hair and wearing a white and blue checked shirt as she shops for a new mattress

Mattress jargon buster — key terms you'll come across when buying a bed

By Claire Davies last updated

From edge support to motion isolation, we explain what all of that mattress jargon really means.

Mattresses
Image showsn the Saatva Memory Foam Hybrid mattress on a grey bedframe on a jute rug with a blue price drop sales image overlaid

Saatva’s most affordable mattress drops to $795 in Memorial Day sales — why I’d buy it

By Claire Davies published

Saatva’s new $400 discount is the best saving I’ve seen in months on the Memory Foam Hybrid mattress, so now is a great time to buy.

Mattresses
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