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

A man sits on a mattress on the floor placed on a hardwood floor so it sleeps cooler

5 reasons not to put a mattress on the floor — and 3 reasons why you should

By Claire Davies last updated

Can you put a mattress on the floor? From mold to bed bugs, there are plenty of reasons not to, but some big benefits too.

Mattress Care
The Bryte Balance smart mattress on a bed frame in a warmly lit room

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

By Eve 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
Tempur-Pedic ProBreeze

Best Tempur-Pedic mattress deals and sales for March 2025: Save up to $1,000 on closeout mattresses

By Claire Davies last updated

Browse this month's Tempur-Pedic deals to find sales on all Tempur-Pedic mattresses and toppers, plus deep discounts on closeout cooling mattresses.

Mattresses
A woman with long dark hair falls asleep quickly in a comfy bed dressed with soft white linens

‘How do I fall asleep quickly?’ The top 3 tips I’ve learned as a sleep coach and ex-insomniac

By Claire Davies published

Presented by Helix Sleep

How I went from struggling to fall asleep to dropping off in ten minutes or less

Sleep
The Nectar Memory Foam mattress is the best choice for smaller budgets

What's the best mattress in a box 2025? Nine top picks from a sleep expert

By Claire Davies last updated

Our sleep experts have tested all the latest mattresses in a box to bring you our top picks for every budget and sleep style — comfort and convenience combined.

Mattresses
Image shows the Saatva Classic mattress on a white and rose gold marble background with a blue Presidents' Day mattress sales luggage tag badge overlaid on the bottom left hand corner

The Saatva Classic mattress saved my sleep — why I recommend it at $410 off in Sleep Week sales

By Claire Davies published

If you want the Saatva Classic mattress at the cheapest price of the year, buy it now — here’s why

Mattresses
A man in a blue t shirt holds his head in his hands and sits on the edge of his bed because he can't sleep due to intrusive thoughts and needs to try cognitive shuffling for sleeping

Intrusive thoughts keeping you awake? Try this ER doctor ‘brain hack’ to fall asleep quickly

By Claire Davies published

Presented by Helix Sleep

Cognitive shuffling for sleep is Dr Joe’s number one technique when intrusive thoughts strike

Sleep
Sleep editor lies on her side on the Helix Midnight Luxe Mattress

Helix mattress deals and sales for March 2025: Take 27% off mattresses for all types of sleepers

By Claire Davies last updated

Helix's 27% discount is back just in time for Sleep Week. Save on its entire lineup of mattresses, including our top pick for side sleepers, the Helix Midnight Luxe.

Mattresses
A closeup of the foot of the Helix Midnight Luxe mattress, a Tom's Guide price drop deals graphic (left)

Helix’s Sleep Week sale is live: Save up to $1,214 on luxury hotel-style mattresses

By Claire Davies published

Presented by Helix Sleep

Helix is offering 27% off everything on site for Sleep Week 2025, with mattresses in a box from just $680

Mattresses
A woman with dark curly hair holds her hand to her forehead in frustration because she cannot sleep at night due to too much light coming in her bedroom window

Trouble sleeping? 5 things in your bedroom that could be sabotaging your sleep

By Claire Davies last updated

Presented by Helix Sleep

How many of these sleep saboteurs are in your bedroom?

Sleep
Image shows three of the mattresses recommend in our best mattress buying guide, the Saatva Classic photographed during a pressure relief test, the Helix Midnight photographed during a back sleeper test, and the Nectar Classic photographed at our sleep studio

The best mattress 2025: Meet the 9 that blew us away during testing

By Claire Davies last updated

Need a new mattress? We can help. From the 80 mattresses our expert testing team has personally tried and tested, these are the 9 best options we recommend buying in 2025.

Mattresses
Avocado green mattress on bed frame

Avocado mattress sales and deals for March 2025: 10% off the top organic mattress

By Claire Davies, Jack Ridsdale last updated

Avocado's Presidents' Day mattress sale offers discounts across its entire range of organic foam, hybrid and latex luxury mattresses.

Mattresses
Saatva Classic Mattress

The best Saatva mattress sales for March 2025: $400 off luxury handcrafted beds

By Claire Davies last updated

This month's Saatva mattress shavesh $400 off all beds over $1,000 after our exclusive discount link.

Mattresses
A mattress with a deal badge to indicate that it is reduced in the Casper mattress sales

The best Casper mattress sales for March 2025: Up to 30% off mattress bundles

By Alison Barretta last updated

Save up to 50% in January's Casper mattress sales, with big discounts on top-rated clearance beds

Mattresses
DreamCloud deals

DreamCloud mattress sales for March 2025: 50% off mattresses plus $599 worth of free bedding

By Claire Davies last updated

DreamCloud's spring sale brings the firm's biggest offer ever.

Mattresses
A close up of the end of a Nectar Classic Memory Foam Mattress on a bed frame, a Tom's Guide price drop deals graphic (right)

Best Nectar mattress sales for March 2025: Get 50% off mattresses and 66% off bundles

By Claire Davies last updated

Nectar's best-selling memory foam and hybrid mattresses are excellent value for money. Here's what to shop in the March Nectar sale...

Mattresses
Image shows the Saatva Classic mattress on a white and rose gold marble background with a blue Presidents' Day mattress sales luggage tag badge overlaid on the bottom left hand corner

The Saatva Classic mattress is $449 off in the brand’s end of winter sale, but is that good value?

By Claire Davies published

There’s only $90 between the current cost of a Saatva Classic compared to the cheapest price it sold for last year

Mattresses
Our best cooling mattress overall for 2025, Bear Elite Hybrid mattress placed on a wooden bedframe in a white bedroom with wooden floors

The best cooling mattress 2025: cool beds to beat the heat all year round

By Eve Davies last updated

For many, overheating at night isn’t just a seasonal affliction. Find relief in our guide to the best cooling mattresses of 2025.

Mattresses
A member of Tom's Guide's testing panel sits on the edge of the Nectar Classic Memory Foam Mattress

What is the best memory foam mattress of 2025? I'm a sleep expert — my top 10 recommendations

By Claire Davies, Ruth Jones last updated

It's not just squishy softness — here’s my recommendations for the best memory foam mattresses for all sleep styles, tested by sleep experts.

Mattresses
The Nolah Natural 11 Mattress in a well-lit bedroom

The best organic mattress 2025: Toxin-free mattresses for cleaner sleep

By Claire Davies last updated

Our expert team of mattress testers have slept on the best organic mattresses and reviewed each pick to put this 2025 guide together

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

Which is the best Saatva mattress in 2025? Everything you need to know

By Alison Barretta last updated

The Saatva Classic is our number one mattress — discover the rest of the line-up with this expert guide to the best Saatva mattresses of 2025.

Mattresses
Suitcase next to a hotel bed

What mattresses do hotels use? The Ritz, Hilton, Premier Inn and more

By Alison Barretta last updated

Learn why the mattresses used in hotels are among the most comfortable you've slept on and how to buy a hotel mattress for your home.

Mattresses
The image shows two women sitting on the Saatva Classic mattress, which is placed on a white bed foundation in a blue bedroom

Saatva Presidents' Day sale 2025: $400 off hotel-quality mattresses

By Claire Davies last updated

Saatva's Presidents' Day sale is ending soon, so shop now to save $400 on all luxury mattresses over $1,000 — we've handpicked the best deals.

Mattresses
Image shows the Saatva Classic mattress on a white and rose gold marble background with a blue Presidents' Day mattress sales luggage tag badge overlaid on the bottom left hand corner

Presidents’ Day mattress sales 2025: Our favorite deals still live today

By Claire Davies, Louis Ramirez last updated

Presidents' Day has been and gone but most mattress deals still live today, with great sales from top-rated brands — but you'll have to act fast.

Mattresses
Sleep editor lying on the Helix Midnight mattress, with a 'Lowest price' flag overlaid

I’m a mattress editor – the 5 Presidents’ Day deals I recommend out of the hundreds I’m tracking

By Claire Davies published

These mattresses are worth every cent anyway, but bigger price cuts for Presidents' Day make them the hottest tickets in town

Mattresses
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