
Claire Davies
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

I've found today's best Amazon Prime Day mattress deals — 25 beds I'd buy from DreamCloud, Siena, Casper and more
By Claire Davies last updated
The best Amazon Prime Day mattress deals to shop now, hand-picked by sleep experts with savings on top-rated beds.

Saatva mattress sale July 2025: Save 15% on handcrafted beds
By Claire Davies last updated
The current Saatva mattress sale cuts 15% off $1,000 or more, yielding some great prices on its more expensive models, including the specialist Saatva RX.

The best Nectar mattress sales for July 2025: Don't miss these better-than-Black Friday prices
By Claire Davies last updated
In this month's Nectar mattress sale, we're finding all-time low prices after an extra 15% off at Nectar US. Meanwhile, Nectar UK continues to cut up to 44% off.

DreamCloud mattress sales for July 2025: Score the lowest-ever prices after an extra 15% off
By Claire Davies last updated
The usual DreamCloud mattress sale just got even better with additional savings, with prices from $254

Best cheap mattress 2025: 6 tried-and-tested budget beds under $500 for a queen
By Claire Davies, Frances Daniels last updated
We test a variety of beds but often find cheap mattresses can offer as much comfort and support as premium ones. Here's our budget picks...

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

The best Helix mattress deals and sales for July 2025: 27% off hybrids for all sleepers
By Claire Davies last updated
Use our exclusive coupon during the Helix Dream Day Sale for 27% off mattresses for all sleep styles. Read our expert guide for the best deals.

‘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 in the 4th of July sales…

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

Tempur-Pedic mattress sales for July 2025: $500 off cooling mattresses
By Claire Davies last updated
Seeking relief from the heat and sore joints? This month's Tempur-Pedic mattress sale features the best deals we've seen for current-gen Tempur-Breeze and ActiveBreeze beds.

Avocado mattress sales and deals for June 2025: Save on organic and eco-friendly beds
By Claire Davies last updated
Our expert guide to the July Avocado mattress sale, including how to save on our top-rated organic mattress.

The best Casper mattress sales for July 2025: up to 35% off cooling beds
By Alison Barretta last updated
Our guide to the July Casper sale, with money off cooling beds and the best-selling One mattress

An expert guide to the best Saatva mattresses in 2025
By Alison Barretta last updated
The Saatva Classic is our number one mattress. Discover the rest of the line-up with our expert guide to the best Saatva mattresses of 2025.

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...

Nectar Premier Memory Foam review: The ideal mix of body hugging comfort and support
By Emily Peck last updated
The Nectar Premier Memory Foam is the more luxurious older sibling of the Nectar Classic. Here's what we discovered after a month of sleeping on it...

The best cooling mattress 2025: 8 expert-recommended beds for hot sleepers
By Eve Davies last updated
We've slept on over 90 mattresses and these are the 8 top picks that kept our testers cool through warm nights.

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…

The best pillow-top mattress in 2025: our expert picks for hotel-style comfort at home
By Jo Plumridge last updated
Our expert mattress testing team have slept on the best pillow-top mattresses of the year to create this guide to our 9 top picks

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

The best organic mattress 2025: Toxin-free mattresses for cleaner sleep
By Claire Davies last updated
We've slept on and tested the best organic mattresses to pick the top 5 non-toxic beds that promise healthy sleep for this 2025 guide.

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.

The 11 best mattresses of 2025, tested and rated by our sleep experts
By Claire Davies last updated
Looking for the best mattress for your sleep needs? Our experts have tested nearly 100 mattresses to bring you this guide to the comfiest beds of 2025 for all budgets and types of sleeper…

Best mattress protectors 2025: Sleep expert rated picks
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.

Saatva Memorial Day mattress sale 2025: Today's best deals
By Ruth Jones last updated
Memorial Day is a great time to buy a Saatva mattress — here are the best deals you can still shop on the highest-scoring mattress we’ve ever tested

What's the best mattress in a box 2025? Our experts have tested dozens of them — these are the top 10
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.
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