
Claire Davies
Claire is a Certified Sleep Science Coach and the Managing Editor of Sleep at Tom's Guide. She oversees our rigorous mattress testing procedures, and our buying guides and mattress rankings. Claire has over 16 years' product review experience and is connected to a wealth of globally renowned sleep experts including mattress designers, neuroscientists, and board-certified sleep doctors. She is also our in-house expert on Saatva, DreamCloud, and Nectar Sleep. Claire is 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. Previously, Claire reported on sleep and wellness tech for T3 and TechRadar.
Latest articles by Claire Davies

Nectar mattress sales for June 2026: The best deals this month
By Claire Davies last updated
Our expert guide to Nectar's biggest sale of the year so far, including deals on our favorite memory foam mattress for side sleepers.

DreamCloud mattress sales for June 2026: Save big on luxurious beds
By Frances Daniels last updated
All the best savings in DreamCloud's alternative Prime Day sale, including the best price we've seen on our top-rated boxed bed.

Selling fast! Simba’s cheapest cooling mattress drops to £261 in huge Prime Day sale
By Claire Davies published
This is the first big price drop for the Simba Simbatex Cool Mattress and it's exclusive to Amazon for Prime Day 2026. Here's why it's excellent value at £299 for a double...

'Sun washing' pillows and bedding in a heatwave won't kill dust mites and fungi — this exact temperature will, infection expert says
By Claire Davies published
Hanging your pillows, comforter and sheets out might freshen them up, but a top infection prevention expert warns that the viral UV sanitizing trend is just an illusion.

The best mattress sales in June 2026
By Claire Davies last updated
Our experts have found the best mattress sales from DreamCloud, Saatva, Tempur-Pedic and more to shop today

We've tested every kind of organic mattress you can buy in 2026 — these are the 5 best for non-toxic sleep
By Claire Davies last updated
Our expert testers have found the eco-friendly beds that support your sleep and the environment — with options for every sleep need.

The best cooling mattress 2026: 9 expert-recommended beds for hot sleepers
By Eve Davies last updated
Banish sweaty nights this summer with one of the 9 best cooling mattresses on the market today, tested and selected by our team of hot sleeping reviewers.

What mattresses do hotels use?
By Alison Barretta last updated
Want to recreate hotel luxury in the comfort of your own home? These are the mattresses and bedding top hotels around the world use, plus their affordable alternatives

5 things I do at night to wake up with energy each day — tips from a sleep coach who used to have insomnia
By Claire Davies published
I stopped chasing the ‘perfect’ night's sleep and started using this science-backed routine to stay asleep and wake up refreshed

I’m a sleep science coach — this 15-minute bedtime trick is my secret to surviving the clocks going forward
By Claire Davies last updated
Like you, I dread the clocks going forward, but this easy to use rule (and three key gadgets) helps me feel like much less of a zombie after losing an hour's sleep.

Simba launches new cooling mattress at Amazon ahead of another summer of gruelling heatwaves
By Claire Davies published
Ooh, a new Simba cooling mattress has launched in time for summer

Sleep Awareness Week 2026 is here — our guide to the best tips, tech and advice to help you sleep better
By Claire Davies last updated
Presented by Helix Sleep
Our guide to Sleep Awareness Week 2026 features expert interviews, the latest longevity science, and the top-rated tech to help you sleep better.

4 surprising ways a snowstorm can ruin your sleep — and how to fix it
By Claire Davies published
From taking ages to fall asleep to waking up repeatedly during the night, cold weather can spell trouble for your sleep. Here’s what you need to know…

The 5 best mattresses for better sleep in 2026
By Claire Davies last updated
Editor's ChoiceMake 2026 the year you take your sleep seriously. Browse our guide to the 5 best mattresses for your needs and budget, based on our in-depth testing and hands-on experience.

Simba mattress sales and deals for February 2026: Save up to £840 with the best sale since Black Friday
By Becks Shepherd last updated
Don't miss out on Simba's New Year sale — up to 30% off and savings up to £840 in a sale that matches Black Friday discounts!

The 5 best smart beds and smart mattresses 2026: Top picks from a sleep tech reviewer
By Eve Davies last updated
Our sleep tech experts recommend the best smart beds and smart mattresses to regulate your temperature, customize your bed and track your health

The best beds and bed frames in 2026: Top 5 picks tested by experts
By Claire Davies last updated
After our expert team put the best beds and bed frames of 2026 to the test, these are the 5 we recommend for all sleep styles and budgets

Best duvets 2026
By Claire Davies last updated
Here's our ultimate guide to the best duvets in the market for every season, sleeping style and budget, selected by sleep experts.

Doctor reveals common bedroom item that acts as a ‘reservoir’ for the flu virus – plus how often you should wash your bedding when sick
By Claire Davies published
This is exactly how long the flu virus lives on your bed sheets and mattress – plus how often doctors recommend cleaning your bed when you’re sick

The best Black Friday mattress deals of 2025: Our top sales picks for every budget
By Claire Davies last updated
Black Friday might be finished but there are still Cyber Monday deals to be had, and we've picked out the best savings

Cyber Monday vs Black Friday mattress deals: when is the best time to buy a mattress?
By Claire Davies last updated
Are the Black Friday mattress deals the best time to buy a mattress or do bigger sales arrive on Cyber Monday? We’ve analyzed past sales to find out.

Our Cyber Monday Sleep Concierge service is live — get personalized mattress and pillow recommendations direct from our experts
By Claire Davies published
Need a new mattress, pillow or bedding set but unsure where to start? Answer these six simple questions and our Sleep Concierge team will send you recommendations unique to you

3 reasons to buy a mattress in this weekend's sales — don't wait for Black Friday
By Nicola Appleton last updated
Wait for Black Friday and you'll pay the same price for your mattress and risk having to wait longer for it if it isn't out of stock. We’re calling it — now's the time to buy.
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