
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

7 best luxury mattresses that are actually worth the money, tested and approved
By Nicola Appleton Last updated
Our expert team have tested the best luxury mattresses of the year — these are the 7 we recommend for high-quality comfort and support

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.

We've tested over 80 of the best hybrid mattresses this year — these 9 have a perfect balance of comfort and support
By Claire Davies Last updated
We’ve tested over 80 of the best hybrid mattresses, but our top 9 offer the right balance of comfort and support

The best memory foam mattress 2026: Tested by our sleep experts
By Claire Davies Last updated
Our expert guide to the best memory foam mattresses you can buy online, based on unbiased testing and data from our Sleep Lab.

We’ve tested every side sleeper mattress you can buy in 2026 — these 8 were the best at cushioning our hips and shoulders for ultra-comfy sleep
By Claire Davies Last updated
We've spent hundreds of hours testing side sleeper beds, and our expert panel have selected these 8 as the year's best mattresses for side sleepers

Best mattress in a box 2026: Tested by sleep experts
By Claire Davies Last updated
Boxed beds are a favorite of mattress brands including Tempur-Pedic, Helix, DreamCloud and more — our expert testers have found the 10 best for every sleep style.

The best mattress under $1,000 in 2026: Queen size comfort for less
By Nicola Appleton Last updated
Take your dollar further by investing in one of the best mattresses for under $1,000 in a queen size — all tried and tested in controlled and real-world settings by our expert sleep team.

Helix Midnight Luxe Mattress review: 'Cloud-like' luxury comfort for side sleepers
By Nicola Appleton Last updated
RecommendedThe best selling mattress from Helix, we've spent over two years testing this bed designed specifically for side sleepers. Here's everything you need to know about the Helix Midnight Luxe.

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

When is the best time to buy a mattress?
By Claire Davies Last updated
Circle these dates on your calendar if you want the best deals on top-rated mattresses

Top mattresses from Helix, Bear, Nolah and more: Expert tested and approved
By Claire Davies Published
We’ve slept on and reviewed all the latest mattresses from Helix, Bear, Brooklyn Bedding, Plank, Birch, and Nolah, and these are our top recommendations for comfy, replenishing sleep

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

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.

Avocado mattress sales March 2026: Up to 15% off
By Claire Davies Last updated
Avocado's March mattress sale is here, featuring up to $1,200 off a selection of its award-winning organic beds.

The best Presidents' Day mattress deals of 2026 to help you sleep better for less
By Ruth Jones Last updated
Presidents' Day is done but the best mattress deals are still live and we've searched for all the juiciest sales you can shop right now

Saatva Presidents' Day sale 2026: Last chance to save $300 on luxury, hotel-style mattresses
By Claire Davies Last updated
Saatva Presidents' Day sale will be over soon, so we've rounded up the brand's best luxury deals that can still save you $300 on luxury mattresses

Presidents' Day mattress sales LIVE 2026 — I'm tracking all of the best deals to help you sleep better from Saatva, Helix, Casper, and much more
By Ruth Jones Last updated
The Presidents' Day mattress deals are here and my expert team and I are bringing you all the best mattress, bedding and sleep deals, with offers starting. at just $9.

Saatva Presidents' Day sale 2026 LIVE
By Claire Davies Last updated
I'm tracking the 2026 Saatva Presidents' Day sale live, along with expert tips on how to find the brand's luxury mattresses for the cheapest prices

It’s been five months since I re-tested Saatva's 'instantly comfy' Classic mattress — here's how it helps me sleep through the night, and why it’s my top pick in the Presidents’ Day sales
By Claire Davies Published
3 things I’ve learned in my longterm testing of the Saatva Classic about how this luxury hybrid mattress helped me stop waking up in the night, and why I recommend it in today’s Presidents’ Day sales

Why The DreamCloud Mattress is the best value sleep deal in the Presidents' Day sales
By Claire Davies Published
Good sleep needn’t cost the earth

We’ve tested every side sleeper mattress you can buy — our fave for people with hip and back pain is up to $789 off in the Presidents' Day sales
By Claire Davies Published
The Helix Midnight Luxe is designed especially for side sleepers, and now is a great time to buy as it's back to its cheapest price for a queen

The best Casper mattress sales for February 2026: up to 25% off mattresses and bundles
By Alison Barretta Last updated
Our expert guide to the best savings in this month's Casper sale, including discounts on cooling beds and mattress bundles.

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…
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