Claire Davies (CSSC)

Claire Davies (CSSC)

Managing Editor of Sleep, Certified Sleep Science Coach

As a Certified Sleep Science Coach, Claire is qualified to help people optimize their bedrooms for better sleep, and to help them develop the best sleep routine and habits, and to find the right products for their individual needs. In her role as the Managing Editor of Sleep, Claire oversees all of Tom's Guide's sleep health content, as well as our buying guides covering everything from the best mattresses to the best sunrise alarm clocks. Claire is connected to a wealth of sleep doctors, neuroscientists and charted psychologists, and loves helping readers to track down the right solutions for a comfy night's rest.

Latest articles by Claire Davies (CSSC)

Two members of the Tom's Guide sleep team smile at each other while standing either side of a stack of the best mattresses we've tested in 2026, including Saatva, DreamCloud, Helix and Nectar

The best mattresses of 2026: Lab-tested and vetted by our sleep experts

By Claire Davies Last updated

We’ve lab-tested and vetted over 140 mattresses and these are the six best options we recommend for comfier, better sleep.

Mattresses
MooMee Bed Set in Heathered Sage Green, with a blue price drop deals badge in the bottom right hand corner

7 bed sets so stylish, they'll decorate your bedroom for you — from $28 in Amazon's Memorial Day sale

By Becky George Published

Looking for affordable bed sheets to dress up your new mattress? Here are my top 9 picks to shop this Memorial Day, starting from $10.49

Pillows & Bedding
A collage of the mattress testing process: top left, a tester lying on the Saatva Zenhaven. Top right, testers on the Birch Luxe mattress. Top right, a close up of a hand on the PlushBeds Botanical Bliss Mattress. Bottom left, the Birch Luxe mattress in our Sleep Lab.

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.

Mattresses
The image shows a dark haired mattress tested placing her hands on the surface of a cream and gold mattress

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

Mattresses
Two of our mattress testers sitting on the navy and white Bear Elite Hybrid mattress on wooden bedframe in sleep studio with blue walls, wooden bedside table, plant and black chair.

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.

Mattresses
A collage of photos depicting the various stages of our hybrid mattress testing and reviewing process in order to find the best options for people to buy in 2025

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

Mattresses
A collage of images showing our mattress testing process. Left, the Nectar Premier on a bed frame in our sleep studio. Right from top: a thermal cam trained on a person resting on a mattress. Two mattress testers conduction a motion isolation test. A weight being placed on the edge of a mattress

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.

Mattresses
A four-image collage of the best mattresses showing testers sleeping on their side.

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

Mattresses
A collage of images showing our mattress testing process. On the left, the DreamCloud Classic Hybrid mattress in our Sleep Lab. On the right, top to bottom: a close up of edge support, our team testing motion isolation, a person tests the comfort and support of a mattress

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.

Mattresses
Best mattress under $1,000: The image shows Tom's Guide's testers unpacking the Siena Memory Foam Mattress

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.

Mattresses
The image shows the Helix Midnight Luxe mattress on a white bed frame in a blue bedroom

Helix Midnight Luxe Mattress review: 'Cloud-like' luxury comfort for side sleepers

By Nicola Appleton Last updated

Recommended

The 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.

Mattresses
King size Westin Heavenly Bed on location at Westin New York at Times Square

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

Mattresses
A woman lying on her stomach in bed on her laptop, smiling holding a credit card

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

Mattresses
Image shows Tom's Guide mattress testers sleeping on and sitting on a range of top mattresses from Helix, Brooklyn Bedding, Birch, and Bear. Top left is the Brooklyn Bedding Copperflex Pro Hybrid, top right is the Helix Midnight Luxe mattress for side sleepers, bottom left is the Birch Luxe Natural cooling organic mattress, and bottom right is the Bear Elite Hybrid cooling mattress for hot sleepers.

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

Mattresses
A well-rested woman with dark hair piled up in a messy bun sits on the edge of her bed and stretches her arms up while facing a sunny window early in the morning

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
A woman dressed in a blue night shirt sleeps peacefully on her partner's chest, as he sleeps with his head on a stone colored bed pillow. In the top left hand corner is a blue Tom's Guide Sleep Awareness Week 2026 logo.

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.

Sleep
A collage showing (top to bottom) the Nectar Premier Memory Foam mattress, DreamCloud Hybrid mattress and Saatva Classic mattress on a bed frame against a colorful background

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

Mattresses
A collage of the Saatva Classic Mattress. In the lower left-hand corner, there is a deals badge (featuring Mount Rushmore) for the Presidents' Day mattress sales.

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

Mattresses
A collage of mattresses against a colorful background, clockwise: The Saatva Classic mattress, Siena mattress, Helix Midnight Luxe mattress, and Brooklyn Bedding CopperFlex Pro Hybrid mattress. In the center is a Tom's Guide Presidents' Day deal badge, with a LIVE badge beneath

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.

Mattresses
The Saatva Classic mattress shown on a gold plinth, with a blue Tom's Guide Presidents' Day deal badge overlaid on the bottom of the mattress. A LIVE badge is located in the top-right foreground.

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

Mattresses
The Saatva Classic luxury innerspring hybrid mattress, on sale this Presidents' Day, is shown here on a white wooden bed frame in our blue Tom's Guide Sleep Product Testing Lab, with a blue Presidents' Day deals badge overlaid in the top right hand corner

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

Mattresses
The main image shows the DreamCloud Classic Hybrid Mattress on a bed frame in a bedroom. In the left corner is an ident showing mattress tester Eve Davies pressing her hands into the quilted cover of the DreamCloud

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

Mattresses
Helix Midnight Luxe Presidents' Day Deal

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

Mattresses
A woman sleeping soundly in bed under a white duvet, as early morning sun shines through the curtains behind her.

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…

Sleep
The Allswell Mattress with no bedding in a clean, light-colored bedroom.

The Allswell mattress review 2026: hybrid support at a low price

By Alison Barretta Last updated

The Allswell mattress promises medium-firm comfort and a cooler sleep, but does it deliver? We slept on it for a month to find out...

Mattresses
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