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 2025 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

4th of July mattress sales 2024 image shows a stack of hybrid, memory foam and latex mattresses placed on top of each other on a teal-coloured background and with a blue price drop deals badge overlaid in the bottom right hand corner

4th of July mattress sales 2024: Our top picks, plus the best deals on bedding

By Nicola Appleton last updated

Our deals experts have found the best mattress sales live today, including an exclusive 4th of July discount that saves you up to 60% on a super-popular memory foam bed-in-a-box.

Mattresses
Image shows the Tempur-Pedic Tempur-Adapt+ Cooling Mattress Topper placed on a white mattress placed on a wooden bedframe, with a Tom's Guide price drop sales badge overlaid in the bottom right hand corner of the image

I’m a sleep coach – get 58% off the mattress topper I’d buy for hip and back pain in 4th of July sales

By Claire Davies published

The Tempur-Pedic Tempur-Adapt eased my hip and lower back pain and it’s on sale to Amazon Prime customers for $175 to celebrate the 4th of July.

Mattresses
Emma Original Mattress placed on a grey fabric bedframe in a bedroom painted with blue-grey walls

I’m a mattress tester — Emma Sleep’s epic 4th of July sale is the best I've seen

By Claire Davies published

Emma’s best cheap boxed mattress drops to $296 in epic 4th of July sale

Mattresses
Tom's Guide's Sleep Editor drops a 10lb weight onto a Helix Midnight Luxe mattress to test its motion isolation

How we test mattresses: A guide to our review process

By Claire Davies, Julia Sagar last updated

How we select and test mattresses for our reviews and buying guides, and why you can trust our recommendations.

Mattresses
The Casper Mattress shown on a grey bed frame in a blue bedroom, with a blue price drop mattress sale badge overlaid on the image

Not a typo! Amazon is selling a Cal king Casper Mattress for just $716

By Claire Davies published

The Casper Mattress is the brand’s original boxed memory foam bed and you can save 49% on a Cal king at Amazon, reducing it to just $716.

Mattresses
Image shows the Saatva Memory Foam Hybrid mattress on a beige bedframe placed on a jute rug with a blue price drop sales badge overlaid on the bottom right corner of the image

Last chance to save $400 on Saatva's best hybrid mattress — sale ends today

By Claire Davies published

Saatva's extended Memorial Day sale ends today, so this is your last chance to $400 on the world's best hybrid mattress.

Mattresses
Memorial Day mattress sales 2024 image features the Amerisleep AS3 hybrid mattress on a grey fabric bedframe in a white bedroom, with a blue price drop sales badge overlaid

The 15 best Memorial Day mattress sales of 2024 are still live — last chance!

By Claire Davies last updated

I'm a mattress expert and these are the deals I recommend buying in the Memorial Day sales that are still live today, before prices start to rise over the summer months.

Mattresses
The Amerisleep AS3 Hybrid mattress, shown here on a grey bed frame in a white bedroom, is on sale for the best price in this year's Memorial Day sales

I test mattresses for work — these 3 Memorial Day sales are the best I’ve seen

By Claire Davies published

Shopping for a new mattress in today’s Memorial Day sales? These three sales from Bear Mattress, Saatva and Amerisleep are the cream of the crop.

Mattresses
Woman sitting on top of a Bear Original mattress in a white room, with a blue price drop sale image overlaid

Bear Mattress drops 40% off flash sale with up to $500 of free bedding for Memorial Day

By Claire Davies published

A queen size Bear Original is on sale for just $598 and you’ll get $320 of free bedding – Memorial Day flash sale ends today.

Mattresses
PlushBeds Latex Mattress Topper

3 latex mattress toppers I’d buy in Memorial Day sales to make a soft bed firmer

By Claire Davies published

I’m a sleep coach and these are the latex mattress toppers I’d buy in Memorial Day sales to make a soft mattress feel firmer.

Mattresses
A mattress sales person wearing a blue shirt explains some mattress jargon to a woman with red hair and wearing a white and blue checked shirt as she shops for a new mattress

Mattress jargon buster — key terms you'll come across when buying a bed

By Claire Davies last updated

From edge support to motion isolation, we explain what all of that mattress jargon really means.

Mattresses
Image showsn the Saatva Memory Foam Hybrid mattress on a grey bedframe on a jute rug with a blue price drop sales image overlaid

Saatva’s most affordable mattress drops to $795 in Memorial Day sales — why I’d buy it

By Claire Davies published

Saatva’s new $400 discount is the best saving I’ve seen in months on the Memory Foam Hybrid mattress, so now is a great time to buy.

Mattresses
A Saatva Classic Mattress on a bed frame outdoors on a platform by the sea, a Tom's Guide price drop deals graphic (right)

I test the world’s best hybrid mattresses — my top pick is $400 off in Memorial Day sales

By Claire Davies published

The Saatva Classic mattress is the best hybrid bed you can buy and it’s now $400 off in every size in Memorial Day sales.

Mattresses
Review image shows the Puffy Royal Hybrid mattress placed on a brown bed frame in an opulent looking cream bedroom

Puffy Royal Hybrid mattress review 2025

By Alex Temblador published

For our Puffy Royal Hybrid mattress review, we tested the bed in all key areas including support and pressure relief. Here's what we discovered...

Mattresses
A man and woman unwrap the Tempur-Pedic Tempur-Cloud mattress after buying it on sale

Side sleeper with hip pain? Here’s the Tempur-Pedic mattress deal I’d buy

By Claire Davies published

You can save 30% on the Tempur-Pedic Tempur-Cloud mattress today, but is it worth the price?

Mattresses
The Tempur-Pedic Essential Mattress shown on a light wooden bedframe with a blue price drop sales badge overlaid

Tempur-Pedic’s cheapest mattress is over $1,000 off in new close-out sale

By Claire Davies published

Save over $1,000 on the Tempur-Pedic Essential mattress for joint pain and get two free Cloud pillows worth $188.

Mattresses
Sleep Awareness Week 2024 images shows a woman with wavy dark hair sleeping on side in a white bed

Sleep Awareness Week 2024 — how to become your 'best slept self' this year

By Claire Davies last updated

All the best tips, mattresses and tech to help you sleep better

Mattresses
Woman sits on her bed to practise the 4 7 8 Sleep Method breathing technique

How to use the 4 7 8 sleep method to fall asleep fast and ease nighttime anxiety

By Claire Davies published

The 4 7 8 sleep method involves a simple breathing technique that's surprisingly effective against anxiety, stress and bedtime worries.

Mattresses
Woman having a daytime nap on a white bed

I’m a sleep coach — 5 ways your naps are stopping you sleeping through the night

By Claire Davies published

I've been taking a daily nap for over 18 months and still enjoy quality sleep at night. Here's what to do and what to avoid when napping in the day...

Mattresses
A woman in a brown top sleeps on a thin mat on the floor

Do you really need a mattress or is sleeping on the floor better for you?

By Claire Davies published

Tempted to sleep on the floor and ditch your mattress and pillows? Read this before making a decision.

Mattresses
A man in a blue shirt lies in a canoe on a still lake while using the military sleep method technique to fall asleep in 2 minutes

How to use the Military Sleep Method to fall asleep fast at night

By Claire Davies published

How to use the two-minute Military Sleep Method to fall asleep fast and quieten a racing mind before bed.

Mattresses
A woman with blonde hair makes the big nighttime routine mistake of working on her laptop in a dark bedroom close to bedtime

I’m a sleep coach — 3 nighttime routine mistakes that stop you from falling asleep fast

By Claire Davies published

I’m a Certified Sleep Science Coach and these nighttime routine mistakes will stop you from falling asleep fast and sleeping through the night.

Mattresses
The Saatva Classic mattress pictured in a pool house overlooking a bright blue swimming pool on a warm, sunny day

I’m a mattress tester — get $500 off the No 1 Saatva bed I recommend to all sleepers

By Claire Davies published

You can save $500 on Saatva’s best hybrid innerspring mattress in this weekend’s sales — here’s why I’d buy it.

Mattresses
Cocoon by Sealy Chill mattress with Price Drop graphic overlaid

3 best cooling king size memory foam mattresses on sale for under $1,100 this weekend

By Claire Davies published

Our top pick of this weekend’s king size memory foam mattress sales for hot sleepers, with top-rated beds from Cocoon by Sealy, Siena Sleep and Layla.

Mattresses
Bear Original Mattress image shows a woman with curly dark hair smiling and sitting cross-legged on the mattress, while a blue price drop sales badge overlaid on the image

Bear’s best-selling foam mattress drops to $511 in extended Presidents’ Day sale

By Claire Davies published

If you missed the Presidents’ Day mattress sales, this 35% discount on the Original Bear Mattress is well worth a look – it comes with up to $400 of free bedding too.

Mattresses
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