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 2024 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

Image shows the Nectar Classic Mattress placed on a white wooden bedframe in a blue-coloured room with a blue price drop sales badge overlaid on the image

Presidents' Day mattress sales 2025: What to expect and the best early deals

By Claire Davies, Jack Ridsdale last updated

Your guide to this year's Presidents' Day mattress sales, when we expect the best deals to arrive and where to find them.

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
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
A Saatva Classic Mattress on a bed frame outdoors on a platform by the sea, with a blue price drop sale badge overlaid on the image

The best Saatva mattress sales for January 2025: save $300 on luxury beds

By Claire Davies last updated

Saatva's new sale takes $300 off all mattresses over $1,000, with deals on adjustable beds too.

Mattresses
DreamCloud deals

DreamCloud mattress sales for January 2025: Up to 50% off luxury beds

By Claire Davies last updated

We've found the best deals to shop now in January's up to 50% off DreamCloud mattress sales.

Mattresses
Avocado green mattress on bed frame

Avocado mattress sales and deals for January 2025: Up to 20% off organic beds

By Claire Davies, Jack Ridsdale last updated

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

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

The best Casper mattress sales for January 2025: Up to 50% off

By Alison Barretta last updated

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

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

The best organic mattress 2025: Natural beds for a non-toxic sleep

By Claire Davies last updated

Our expert team have tested the best organic mattresses and natural beds to buy online for a cleaner, hypoallergenic sleep in 2025

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
The image shows a woman with brown hair resting her head on the Saatva Latex Pillow

The best pillow 2025: We've tested them all

By Becky George last updated

Explore our 2025 guide to finding the best pillow for your body type, sleep position and budget, tried and tested by our expert team.

Sleep
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.

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

Helix mattress deals and sales for January 2025: 25% off sitewide

By Claire Davies last updated

January's Helix sale is here, saving you 25% on all mattresses plus free gifts.

Mattresses
Tempur-Pedic ProBreeze

Best Tempur-Pedic mattress deals and sales for January 2025: save on mattresses and toppers

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
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
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
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

What’s the best hybrid mattress in 2025? I’m a sleep coach and these are my top picks

By Claire Davies last updated

We've tested, and slept on over 20 hybrid mattresses — and I've shortlisted the best ones to buy in 2025 for your sleep and budget

Mattresses
The Nectar Classic Memory Foam Mattress placed on a white wooden bedframe in a blue bedroom at our testing facility

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

By Claire Davies, Ruth Jones last updated

Memory foam is one of the most popular mattress materials. Here’s my recommendations for the best memory foam mattresses, tested by sleep experts.

Mattresses
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
The Nectar Classic Memory Foam Mattress in a box placed on a white bedframe and bookended by large black dome bedside lamps

What's the best mattress in a box 2024? Nine top picks from a sleep expert

By Claire Davies last updated

We’ve slept on and tested all the latest mattresses in a box. Here are my top nine recommendations for every sleep style and budget.

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 January 2025: Get 50% off plus 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 January Nectar sale...

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 Claire 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
Tom's Guide's sleep editor and mattress tester stand either side of a tall pile of mattresses that we have tested and recommend as the best choices for all sleepers, including the Nectar Classic mattress, the Helix Midnight Luxe and the Siena Mattress

What's the best mattress in 2025? My top picks as a certified sleep coach

By Claire Davies last updated

Simply the best mattresses you can buy in 2025 based on our rigorous testing, with recommendations for all sleep positions and budgets.

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
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