Claire Davies

Managing Editor of Sleep, Certified Sleep Science Coach

Claire is a Certified Sleep Science Coach and the Managing Editor of Sleep at Tom's Guide. She curates our mattress guides and oversees our rigorous mattress testing procedures. Claire has over 16 years' product review experience and is connected to a wealth of globally renowned sleep experts including mattress designers and buyers, neuroscientists, and doctors of sleep medicine. As the Managing Editor of our Sleep and Mattress Team, Claire is responsible for all mattress and sleep content published on Tom’s Guide and is our expert on Saatva, DreamCloud, and Nectar mattresses. Claire is also 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.

Latest articles by Claire Davies

A collage of images, showing mattresses being tested. In the top left, two members of the Tom's Guide sleep team sit on the Saatva Classic mattress. Top right, a mattress tester lies on the Helix Midnight Luxe mattress. Bottom left, two women on box a rolled up mattress in a box. Bottom right, two women sit on the DreamCloud Hybrid Mattress. A Tom's Guide price drop deals badge in the center.

Labor Day Mattress Sales: What you need to know

By Claire Davies last updated 5 September 25

The Labor Day sales are an excellent time to save on a mattress — here's our complete guide to the deals and how to get better sleep for less.

Mattresses

A woman in a khaki green sleeveless top holds a white colander full of freshly washed raw spinach, a magnesium rich food that has multiple benefits to a person's health and sleep

I take magnesium for better sleep, but can a varied diet deliver the same results? I asked three dieticians

By Claire Davies published 8 June 25

I’m considering ditching my magnesium glycinate supplement after adding more seeds, greens and beans to my diet. Here’s why…

Sleep

A woman with dark brown hair lies on her side staring at the back of a white alarm clock that shows the time as 2.30am

3 sleep hygiene tips that got me back on track after endless nights of being unable to sleep

By Claire Davies published 13 April 25

These aren’t quick fixes, but they could help break you out of a sleep rut

Sleep

Two delivery men unload a white mattress from their van as part of a White Glove Delivery service

Mattress White Glove Delivery: What's included and how it works

By Claire Davies last updated 11 April 25

We explain everything you need to know about mattress White Glove Delivery, including which brands offer it.

Mattresses

Simba vs Emma mattress: image shows the Emma Original on the left and the Simba Hybrid on the right

Simba vs Emma: Which boxed mattress should you buy?

By Claire Davies last updated 10 April 25

We compare the Simba Hybrid Essential vs Emma Hybrid Original mattresses to decide which is better for your sleep and budget

Mattresses

A man sits on a mattress on the floor placed on a hardwood floor so it sleeps cooler

5 reasons not to put a mattress on the floor — and 3 reasons why you should

By Claire Davies last updated 21 March 25

Can you put a mattress on the floor? From mold to bed bugs, there are plenty of reasons not to, but some big benefits too.

Mattress Care

A woman with long dark hair falls asleep quickly in a comfy bed dressed with soft white linens

‘How do I fall asleep quickly?’ The top 3 tips I’ve learned as a sleep coach and ex-insomniac

By Claire Davies published 16 March 25

Presented by Helix Sleep

How I went from struggling to fall asleep to dropping off in ten minutes or less

Sleep

Intrusive thoughts keeping you awake? Try this ER doctor ‘brain hack’ to fall asleep quickly

By Claire Davies published 13 March 25

Presented by Helix Sleep

Cognitive shuffling for sleep is Dr Joe’s number one technique when intrusive thoughts strike

Sleep

Trouble sleeping? 5 things in your bedroom that could be sabotaging your sleep

By Claire Davies last updated 11 March 25

Presented by Helix Sleep

How many of these sleep saboteurs are in your bedroom?

Sleep

A couple laugh and cuddle while sat on the Avocado Eco Organic Mattress

What is an organic mattress and are they healthier than other beds?

By Grace Franks last updated 24 January 25

Organic mattresses have big benefits for your sleep, but they aren't the best choice for everyone. Here's why...

Mattresses

The Siena Memory Foam Mattress in a box on the floor in front of a bed frame, ready to be unboxed

What is a mattress in a box? Plus, the signs they suit your sleep best

By Claire Davies last updated 23 January 25

Boxed mattresses are popular, but are they any good? Our sleep team has tested all the latest mattresses in a box, here's what you need to know…

Mattresses

A woman with long brown hair sits up in bed covered in a pink comforter and yawns because she is so sleep deprived

I’ve been sleep deprived for over two years — my three top tips for easing symptoms

By Claire Davies published 19 January 25

I’m a sleep coach dealing with longterm sleep deprivation. Here’s what I do day-to-day to reduce my symptoms of brain fog, fatigue and irritability…

Sleep Problems

Two women sit on the Saatva Classic mattress in a bedroom. they're looking at the mattress trying to decide if this is the right one for their sleep needs

How to choose a mattress — tips from a Certified Sleep Coach

By Claire Davies last updated 13 November 24

Choosing a mattress doesn’t have to be rocket science – here’s how to do it easily and within your budget.

Mattresses

A man with short and curly brown hair sleeps peacefully on his side in bed

I’m a sleep coach — my 3 best tips for better sleep this World Mental Health Day

By Claire Davies published 10 October 24

Good quality sleep boosts your mental health. For World Mental Health Day 2024, I’m sharing the three best tips I’ve learned for better sleep.

Sleep

A young couple unbox and move a new memory foam mattress they bought from Amazon during the prime day deals event

How to spot a good Prime Day cheap mattress deal

By Frances Daniels published 12 July 24

Plus, the three best budget mattress sales to shop now, with prices from $137.

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 16 March 24

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

By Claire Davies published 14 March 24

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

By Claire Davies published 13 March 24

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

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 10 March 24

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

By Claire Davies published 27 February 24

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 26 February 24

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

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 21 February 24

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

Sleep

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 15 February 24

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

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 31 January 24

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: Hotel luxury at its best

By Emily Peck published 30 January 24

Editor's Choice

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

Mattresses

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