
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

The best pillows of 2025: Our top tried and tested recommendations
By Becky George last updated
This is your guide to choose the best pillow for your sleeping style, body type and budget based on expert reviews and analysis.

What is the best memory foam mattress of 2025? Top 10 tested by our sleep experts
By Claire Davies, Ruth Jones last updated
Our guide to the 10 best memory foam mattresses you can buy online, tested and recommended by experts — with full reviews.

The best organic mattress 2025: Natural beds for cleaner sleep
By Claire Davies last updated
These 5 non-toxic beds are the best organic mattresses we've slept on this year for pressure relief, support, temperature regulation and more

Best Amazon Prime Day mattress deals 2025
By Claire Davies last updated
Prime Day might be over but you can still save on a mattress on Amazon — our expert guide to the deals plus an overview of the Prime Day savings.

I’m a sleep coach — 5 cheap bedtime essentials I stock up on every Prime Day to get the best night’s rest
By Claire Davies published
Before I look at anything else in the Prime Day sale I make sure I’ve piled my basket high with these cheap yet brilliant sleep essentials

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

‘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

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

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...

The best cooling mattress 2025: 8 expert-recommended beds for hot sleepers
By Eve Davies last updated
We've slept on over 120 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

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.

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.

I’m a sleep coach — the best mattress I’ve ever tested is $400 off ahead of Memorial Day sales
By Claire Davies published
I recommend the Saatva Classic Luxury Innerspring Hybrid to most people who have trouble sleeping, and at $400 off now is the time to buy it.

‘Melts away tension in my back’ – save up to $775 on Helix's comfiest hotel-style mattress in new flash sale
By Claire Davies published
For today only the Helix Midnight Luxe is up to $775 off, with prices from $729 for the brand’s more affordable mattresses in a box

DreamCloud’s flagship hotel-style mattress drops to $319 in tariff-beating flash sale – why I'd buy it now
By Claire Davies published
With an uncertain summer ahead for mattress prices, this new DreamCloud flash sale is a buy-it-now bargain

3 sleep hygiene tips that got me back on track after endless nights of being unable to sleep
By Claire Davies published
These aren’t quick fixes, but they could help break you out of a sleep rut

Mattress White Glove Delivery: What's included and how it works
By Claire Davies last updated
We explain everything you need to know about mattress White Glove Delivery, including which brands offer it.

What are mattress trials and how do they work?
By Claire Davies last updated
Many sleep brands talk about their mattress trial periods, but what are they and how do they work? We have answers.

When is the best time to buy a mattress?
By Claire Davies last updated
Here's everything you need to know about all the major mattress sales of the year so you can time your purchase for maximum savings.
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