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

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...

Sleep
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.

Sleep
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.

Sleep
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.

Sleep
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
The DreamCloud Hybrid Mattress photographed on a wooden bedframe placed in a dark blue bedroom and with a couple laughing and sitting on the mattress

Hybrid mattresses don’t need a box spring — here’s why and what to use instead

By Claire Davies published

Do hybrid mattresses need a box spring and why? We explain everything you need to know using this popular bed base with a foam and coil mattress.

Mattresses
Two people removing a Purple mattress from its packaging

I'm a mattress expert — the No 1 mistake people make after buying a bed in a box

By Claire Davies published

Avoid leaving your mattress in its shipping box for months on end, otherwise you’ll have to replace it pretty quick. Here’s why…

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

Ends soon! Save $400 on a queen Saatva Classic mattress with free old bed removal

By Claire Davies published

Save $400 on the best Saatva mattress for all sleepers and get free old mattress and bed removal thrown in.

Mattresses
A black suitcase in front of a white mattress in a stylish hotel room

I’m a mattress tester — 3 things I do before sleeping in a hotel bed

By Claire Davies published

Three steps to getting a good (and hygienic) night's sleep on a hotel mattress.

Sleep
A couple sit and laugh on top of the DreamCloud Luxury Hybrid Mattress, with a blue price drop mattress sales badge overlaid on the image

I test hybrid mattresses for work — these 3 Presidents' Day sales are the best I've seen

By Claire Davies published

The hybrid mattresses I recommend to all sleepers are on sale this Presidents' Day with up to 50% off.

Mattresses
A man with dark hair and a woman with red hair go mattress shopping together

I’m a mattress expert — the biggest mistake people make when choosing a mattress

By Claire Davies published

I test mattresses for a living and this is the one thing I recommend avoiding when buying a new mattress – and the 5 things I do recommend.

Mattresses
Image shows the Saatva Classic Mattress on a beige bedframe overlooking a sparkling blue, with a blue price drop badge overlaid on the image

I test the world’s best mattresses and my No. 1 choice is $400 off right now

By Claire Davies last updated

Save $400 on the Saatva Classic mattress thanks to this exclusive Presidents’ Day sale offer, with prices from $895.

Mattresses
Image shows the Avocado Eco Organic Mattress on a wooden frame with an acoustic guitar leaning against the base

I’m a mattress expert — the 5 best early Presidents’ Day sales to shop this weekend

By Claire Davies published

If you want to buy a top-rated mattress in a box at a cheaper price, this weekend’s sales are serving up some big discounts ahead of Presidents’ Day, with up to $2,699 in savings.

Mattresses
A couple sit and laugh on top of the DreamCloud Luxury Hybrid Mattress, with a blue price drop mattress sales badge overlaid on the image

I’m a mattress editor — these are the 3 best sales to shop before Presidents’ Day

By Claire Davies published

Tempur-Pedic, Nectar and DreamCloud are having huge flash sales today – don’t wait for Presidents’ Day and miss these.

Mattresses
Beautyrest Harmony Lux mattress placed on a wooden bedframe with a blue price drop sales badge overlaid

Beautyrest Harmony Lux mattress gets a big price drop in new Presidents' Day sale

By Claire Davies published

Beautyrest launches its big Presidents’ Day sale with up to $1,100 off mattress and adjustable bed sets, including the Harmony Lux hybrid.

Mattresses
A woman with long dark hair feels the firmness of a mattress she is looking at

How firm should a mattress be? A guide to the different levels and how to pick

By Claire Davies published

Unsure which mattress firmness suits you best? Here’s a guide to the different levels and how to choose the right feel for you.

Mattresses
The Relyon Bridgwater Dunlopillo Latex Mattress photographed on a wooden bed frame in a natural looking bedroom with pampas grass in the corner

Relyon Bridgwater Dunlopillo Latex Mattress review 2025: Hotel luxury at its best

By Emily Peck published

Is the medium-firm Relyon Bridgwater Dunlopillo Latex Mattress as sumptuous and supportive as it suggests? We review it to find out.

Mattresses
The Tempur-Pedic Tempur Cloud mattress on. blue fabric frame in a blue bedroom

Tempur-Pedic Tempur-Cloud mattress review 2025

By Diana Kelly Levey published

Tempur-Pedic is known for its traditional-style mattresses, so how good is the Tempur-Cloud boxed bed? We review it to find out.

Mattresses
Leesa Sapira mattress

Leesa Sapira Hybrid mattress review 2025

By Michele Ross last updated

The Leesa Sapira is a best-selling hybrid mattress combining coils with high quality foams, but is it any good? We reviewed it to find out.

Mattresses
A woman with dark hair wakes up happy after a great night's sleep on her new mattress that she recently chose

How to choose a mattress when shopping online – 5 tips from a bed-in-a-box expert

By Claire Davies published

Shopping for a mattress online but don’t know where to start? Here’s how to pick the best bed for you.

Mattresses
Tart cherry juice poured into a clear glass

Does TikTok’s Sleepy Girl Mocktail work? I’m a sleep science coach — here’s what I think

By Claire Davies published

The Sleepy Girl Mocktail contains tart cherry and magnesium, but do either help you fall asleep easier or faster? Here’s my take as a sleep science coach.

Sleep
Saatva vs Beautyrest Mattress comparison image shows the Saatva Classic on the left and the Beautyrest Harmony Lux on the left

Saatva vs Beautyrest: Which hybrid mattress is best for your sleep?

By Jo Plumridge published

How to choose between the Saatva Classic vs the Beautyrest Harmony Lux mattress – a detailed look at price, design, comfort, support and more.

Mattresses
Saatva luxury firm vs firm image shows a Saatva Classic Split King Mattress, where one side is luxury firm and the other is firm, on a beige fabric bedframe in a neutral colour bedroom

Saatva luxury firm vs firm: Which mattress feel is best for you?

By Claire Davies published

Thinking of buying the best-selling Saatva Classic Mattress but can’t decide between the luxury firm and firm? Here’s how to choose…

Mattresses
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