Claire Davies

Claire Davies

Senior Sleep Editor, Certified Sleep Science Coach

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

A collage of four images: in the top left, a hand tests the pressure relief of the Nectar Classic Memory Foam mattress. Bottom left, two mattress testers sit on the DreamCloud Hybrid Mattress in our sleep studio. Top right, our sleep editor jumps onto the Helix Midnight Luxe Mattress in our sleep studio. Bottom right, a mattress tester sits on the edge of the Saatva Classic mattress.

Labor Day mattress sales 2025: Best deals live now

By Claire Davies last updated

The Labor Day mattress sales are underway and we've rounded up the best deals to shop today, including $400 off our favorite bed for all sleepers.

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

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 help regulate sleep temperature, customize your sleep set up and track your health metrics

Mattresses
A Simba mattress bundle with a Tom's Guide 'Act Fast' badge

Simba mattress sales and deals for August 2025: free bedding bundles with selected mattresses

By Becks Shepherd last updated

Get a free bedding bundle with your next hybrid mattress in this month's Simba mattress sale

Mattresses
The image shows the DreamCloud Classic Hybrid mattress on a grey bed frame with a Tom's Guide 'Price drop' badge on top

DreamCloud mattress sales for August 2025: Save on revamped beds

By Claire Davies last updated

Save on DreamCloud's revamped line up with our expert guide to the August mattress sales

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)

The best Nectar mattress sales for August 2025: Memory foam beds from $349

By Claire Davies last updated

Here's our expert guide to Nectar's August mattress sale — including how to get a bargain price on a dorm room bed

Mattresses
Suitcase next to a hotel bed

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

By Alison Barretta last updated

Explore the mattresses each hotel uses around the world — plus the best deals so you can recreate hotel luxury at home

Mattresses
Avocado Green Mattress, featuring a woman and baby on said mattress

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

Mattresses
Nectar mattress review: The Nectar Mattress placed on a light wooden bed frame with an orange metal suitcase at the end

Nectar Mattress review: A fantastic value memory foam mattress for couples

By Claire Davies last updated

The Nectar has been a best-seller for years, but is this memory foam mattress right for you? We review it to help you decide.

Mattresses
Two girls sitting on navy, bronze and white Brooklyn Bedding CopperFlex Hybrid Pro mattress in sleep studio with rattan bedframe, shelf and green plants

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.

Mattresses
A woman in a khaki green sleeveless top holds a white colander full of freshly washed raw spinach, a magnesium rich food that has multiple benefits to a person's health and sleep

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…

Sleep
A woman with dark brown hair lies on her side staring at the back of a white alarm clock that shows the time as 2.30am

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

Sleep
Two delivery men unload a white mattress from their van as part of a White Glove Delivery service

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.

Mattresses
Mattress testing_support cores

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.

Mattresses
Simba vs Emma mattress: image shows the Emma Original on the left and the Simba Hybrid on the right

Simba vs Emma: Which boxed mattress should you buy?

By Claire Davies last updated

We compare the Simba Hybrid Essential vs Emma Hybrid Original mattresses to decide which is better for your sleep and budget

Mattresses
A white duvet folded against a ombre background

The best duvets in 2025: Panda, Simba, Silentnight and more

By Claire Davies last updated

Choose the best duvet for every season, sleeping style and budget, selected and recommended by sleep experts.

Home
The Simba Hybrid Ultra Mattress ranks highly in our best mattress guide and here it's shown on a grey fabric bed frame in a blue-grey bedroom

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

By Claire Davies last updated

Our expert product testing team has slept on and tested all the latest mattresses. These are the 9 best options to buy this year.

Mattresses
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
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
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
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
A couple laugh and cuddle while sat on the Avocado Eco Organic Mattress

What is an organic mattress and are they healthier than other beds?

By Grace Franks last updated

Organic mattresses have big benefits for your sleep, but they aren't the best choice for everyone. Here's why...

Mattresses
The Siena Memory Foam Mattress in a box on the floor in front of a bed frame, ready to be unboxed

What is a mattress in a box? Plus, the signs they suit your sleep best

By Claire Davies last updated

Boxed mattresses are popular, but are they any good? Our sleep team has tested all the latest mattresses in a box, here's what you need to know…

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 Problems
The best bed frames and bases include the Emma Divan Bed, pictured here in a sunny bedroom

The best bed frames and bases in 2025

By Claire Davies last updated

Our expert guide to the best bed frames and bases of 2025, from platform to adjustable, for all mattress types and budgets.

Mattresses
A woman lying on aPanda mattress on a wooden bed frame with a Tom's Guide Black Friday mattress deals label

The best Black Friday mattress deals UK 2024: The best deals still live

By Jack Ridsdale last updated

Black Friday is over — but there a handful of deals still available to snap up

Mattresses
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