Claire Davies
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
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What is an organic mattress and are they healthier than other beds?
By Grace Franks last updated
Organic mattresses have big benefits for your sleep, but they aren't the best choice for everyone. Here's why...
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What is a mattress in a box? Plus, the signs they suit your sleep best
By Claire Davies last updated
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…
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I’ve been sleep deprived for over two years — my three top tips for easing symptoms
By Claire Davies published
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…
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DreamCloud Mattress review 2025
By Alison Barretta last updated
We tested the DreamCloud Mattress for three weeks to see if this affordable hybrid can deliver the luxury sleep it promises.
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The best mattress protectors 2025: waterproof, cooling and zipped covers compared
By Claire Davies, Becky George last updated
Every mattress needs a mattress protector to keep it clean, dry and allergen-free. Our sleep experts have chosen the best mattress protectors for all sleepers.
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The best memory foam mattress topper in 2025: tested by sleep experts
By Frances Daniels last updated
Our sleep experts have tested the best memory foam mattress toppers of 2025, here's what we recommend for every sleep style and budget.
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9 signs that it’s time to buy a new mattress
By Jo Plumridge last updated
Is it time to replace your mattress? Here are nine telltale signs you need a new one — and three that you just need a new bed topper
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I’m a sleep coach — my 3 best tips for better sleep this World Mental Health Day
By Claire Davies published
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.
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How we test mattresses: A guide to our review process
By Claire Davies, Julia Sagar last updated
How we select and test mattresses for our reviews and buying guides, and why you can trust our recommendations.
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Mattress jargon buster — key terms you'll come across when buying a bed
By Claire Davies last updated
From edge support to motion isolation, we explain what all of that mattress jargon really means.
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Sleep Awareness Week 2024 — how to become your 'best slept self' this year
By Claire Davies last updated
All the best tips, mattresses and tech to help you sleep better
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How to use the 4 7 8 sleep method to fall asleep fast and ease nighttime anxiety
By Claire Davies published
The 4 7 8 sleep method involves a simple breathing technique that's surprisingly effective against anxiety, stress and bedtime worries.
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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...
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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.
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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.
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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.
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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…
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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.
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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.
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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.
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‘Why can’t I sleep?’ 7 common reasons from an ex-insomniac and sleep coach
By Claire Davies published
If you’ve tried everything but you can’t switch off your brain to sleep, one of these common culprits might be the reason why.
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3 reasons to buy a mattress in this weekend's sales — don't wait for Black Friday
By Nicola Appleton published
Stock levels are high, shipping is fast and the deals are red hot. We’re calling it — now is the best time to buy a new mattress, not Black Friday weekend.
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What is mattress White Glove Delivery and which brands offer it for free?
By Claire Davies published
This is what mattress White Glove Delivery means, plus a list of the top bed brands who offer this service free of charge.
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