
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 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.

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.

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

The 5 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.

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.

The best queen mattress 2025: 6 top picks from our expert bed testers
By Claire Davies last updated
After years of mattress testing expertise, our panel of diverse sleepers choose the best queen mattresses of the year, suitable for every kind of sleeper

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.

The best memory foam mattress topper in 2025: Expert picks for all budgets
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.

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.

‘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

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

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

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
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