Eve Davies

Eve Davies

Sleep Tech Product Tester and Writer

Eve is a sleep tech product tester and writer at Tom's Guide, covering everything from smart beds and sleep trackers, to sleep earbuds and sunrise alarm clocks. Eve is a PPA-accredited journalist with an MA in Magazine Journalism, and has four years’ experience writing features and news. In her role as Sleep Tech Product Tester and Writer for Tom's Guide, Eve is constantly trying out and reviewing the latest sleep products from brands such as Apple, Garmin, Whoop, Hatch, Sleep Number, Eight Sleep, and Oura. A fitness enthusiast who completed the London Marathon earlier this year, Eve loves exploring the relationship between good sleep, overall health, and physical performance, and how great sleep tech can make that relationship even better.

Latest articles by Eve Davies

Black and white Allswell Hybrid Mattress on wooden bed frame in bedroom. Inset off top of the mattress surface and Tom's Guide's price drop logo.
Walmart launches epic $364 king size cooling mattress deal — this won't last until Memorial Day

By Eve Davies Published

Our picky mattress reviewers gave this hybrid bed-in-a-box 4 out of 5 stars, making it an ideal budget option for couples.

Mattresses
A collage of sleep trackers. Our sleep tech reviewer asleep wearing the Garmin Sleep Monitor armband in bed with white sheets (left). Three Apple Watch 11 on female's forearm (top right). Garmin Forerunner 165 with blue fabric strap on red background (bottom right).
From Apple to Garmin: The 5 best sleep tracker deals with up to $100 off in the Memorial Day sales

By Eve Davies Published

I've spent over 3,000 hours testing sleep trackers, from Apple to Garmin and from Whoop to Oura — these are the deals I recommend in this year's Memorial Day sales

Sleep Tech
Our sleep tech reviewer sleeping in bed with white sheets wearing a silver Oura Ring 4 with inset of prxxhri smart ring
Can you rely on this Prxxhri's Oura Ring alternative to track your sleep? Here's my take as a sleep tech reviewer

By Eve Davies Published

I love my Oura Ring but can this $53 alternative in Memorial Day Amazon sales track my sleep just as well without the subscription fee? We dig in...

Sleep Tech
Silver Oura Ring on a teal studio background (left). Apple Watch 10 with purple fabric strap on teal studio background (right).
Oura Ring 4 vs Apple Watch 10: Which is the better sleep tracker?

By Eve Davies Published

I tracked my sleep with the Oura Ring 4 and Apple Watch 10 over a year. I love both but there's only one I'm still wearing — here's my winner

2 Comments
Sleep Tech
Our mattress reviewer testing the edge support on the Brooklyn Bedding Thermobalance LX Elite in bedroom with green panelled walls, with Tom's Guide 'price drop' logo
I finally found the perfect latex mattress for hot, restless sleepers like me — and it’s at an all-time low price for Memorial Day

By Eve Davies Published

This luxury latex mattress has kept me cool and supported all month long. Here's why I recommend shopping the Brooklyn Bedding Thermobalance LX Elite this Memorial Day.

Mattresses
A woman sits on the Siena Memory Foam Mattress with a deals label
Our fave cheap firm mattress drops to $294 for a queen in the Memorial Day sales — and it's a must for back and stomach sleepers

By Eve Davies Published

Comfy, supportive and cool, the Siena Signature punches way above its affordable price point thanks to this new time-limited deal

Mattresses
The image shows a white couple with dark hair sitting on a navy blue mattress with a white cover, set within a neutrally decorated bedroom
'A perfect blend of comfort and support' — I reviewed the Brooklyn Bedding Thermobalance LX Elite mattress and had the sleep of my life

By Eve Davies Published

Recommended

The new Brooklyn Bedding LX Elite promises the dream for hot sleepers. Our mattress testers put it through the paces to see just how breathable, supportive, and durable this latex bed is...

Mattresses
White & Gold Saatva Solaire Adjustable Mattress head elevated on beige bed base with ocean backdrop (left). Black Eight Sleep Pod 5 on bed in grey-toned bedroom with control unit at side (right).
The Saatva Solaire has 50 levels of adjustable firmness but the Eight Sleep is a dream for hot sleepers — here's how to pick between them

By Eve Davies Published

We compare price, design and features of the Saatva Solaire Adjustable Firmness Mattress vs the Eight Sleep Pod 5 to help you decide which smart bed is for you.

Mattresses
Our sleep tech tester sitting in a bed with white sheets and a rattan head board in the sleep studio checking sleep stats from Oura Ring on phone with inset of oil diffuser and sunrise alarm clock.
I used the '90 minute sleep rule' to stop morning grogginess — and it's better than any alarm clock

By Eve Davies Published

A doctor explains how the '90 minute sleep rule' can help you sleep like a pro and wake up bursting with energy.

Sleep
A woman with dark wearing a blue tank top wiping sweat off face after workout (left). A woman in bed with white sheets smiling and stretching arms above head (right).
New study reveals that timing exercise to match your body clock 'chronotype' may lower cardiovascular disease and improve sleep quality — here's how

By Eve Davies Published

Want to sleep better, deeper and for longer? Scheduling your workouts to suit your unique body clock is key, experts explain

Sleep
A man with dark hair and beard wearing grey t-shirt holding left bicep representing muscle loss (left). A man asleep in bed wearing a CPAP machine to manage sleep apnea (right).
Doctors weigh in on new study linking sleep apnea with poor muscle quality

By Eve Davies Published

Obstructive sleep apnea could be silently weakening your muscles and increasing your risk of fractures, and people aged 65+ or those with a high BMI are more at risk

Sleep Problems
The composite image shows a dark haired woman running along a coastal path on the left wearing workout gear, and the same woman lying in bed sleeping on the right
A sleep doctor for pro athletes shares 4 expert tactics for ‘gold medal sleep’ and day-long energy

By Eve Davies Published

Whether or not you’re running the London marathon this weekend, these elite athlete sleep tips will net you highly restorative sleep and energy for days

Sleep
NEOM Clementine Wellbeing Pod (pink, orange and white speckle diffuser) next to bottles and boxes of NEOM essential oil blends including the Perfect Night's Sleep blend (purple and white box).
'This is my third one' — shoppers love this luxury oil diffuser and I swear by mine for relaxing before sleep

By Eve Davies Published

The celebrity-approved NEOM Wellbeing Pod turns my small bedroom into a calming sleep sanctuary. You can get it for $24 less now...

Sleep Tech
I just ran my second marathon — here are the 9 products I use to sleep well the night before, from just $4

By Eve Davies Published

Quality sleep is crucial for marathon running. Here are the 9 products I rely on to get those high sleep scores the night before a big race...

Sleep
Woman sleeping on her side with a smart watch on her wrist and her phone on the bedside table, with inset of a 'Low' Apple sleep score of 51
Your Apple Watch sleep score will likely drop when you're aged 65+ — here’s why doctors say not to panic

By Eve Davies Published

Nighttime awakenings are a natural part of the aging process, but there is one red flag you shouldn't ignore on your sleep tracker as you get older

Sleep
The image shows a glowing sunrise alarm clock on the left and a woman stretching her arms above her head as she wakes up on the right
I fixed my morning exhaustion by ditching my snooze button habit — here’s the expert 3-step reset that helped me

By Eve Davies Published

I thought hitting snooze would help me feel less tired, but it was actually making my fatigue worse

Sleep
A woman sis on her couch looking tired, with her eyes closed. She has a cup of coffee in her hand.
Stop doing this one thing the second you wake up to end morning grogginess for good, say experts

By Eve Davies Published

Sleep experts urge you to stop doing this one thing when you wake up in the morning. Here's what they recommend you do instead to stop feeling tired through the day and sleep better at night.

Sleep
A woman sits up in bed in a brightly lit bedroom with her arms stretched above her head. She looks ready to spring out of bed. Overlaid with inserts of Oura App bedtime and wake-up time graphs over a week
'After one week, you're sleeping better. After one year, you're living longer' — science reveals what happens to your body when you sleep at the same time every day

By Eve Davies Published

Experts urge you to establish a consistent sleep routine for improved health and longevity. I ask a certified sleep consultant exactly how it benefits your body and brain...

Sleep
Our sleep tech tester wearing the silver Oura Ring 4 on left index finger sleeping in bed with white sheets on her side, with inset of Oura sleep score of 88
My Oura and Apple Watch sleep scores are always in the high 80s — the 5 key habits that help me sleep well every night

By Eve Davies Published

This is how I get high Oura Ring and Apple Watch sleep scores every single night

Sleep
On the left, a close up of sleep tester Eve Davies's hands wearing an Oura Ring as she checks the data on the Oura Ring app. On the right, Eve Davies lies in bed wearing her Oura Ring 4 sleep tracker.
I've tracked my sleep with an Oura Ring for over a year — here's how 12 months of data is helping me sleep better and wake up with more energy

By Eve Davies Published

I thought I knew everything about my sleep but 12 months of wearing the Oura Ring tracker has taught me some surprising things. Here's why and what to look for in your data.

Sleep Tech
Our sleep tech tester wearing the Garmin Index Sleep Monitor armband sleeping on side in bed with white sheets with inset of HRV graph
Experts explain what HRV on your sleep tracker means, and how to improve yours so that you stop waking up at night

By Eve Davies Published

Once I understood this one sleep metric, everything I needed to do for better sleep made sense

Sleep
This image shows a senior man and woman sleeping in bed. The man lies closest to the camera, while the women is in the background. They're both facing the camera. In the foreground is a lamp and an alarm clock
My 75-year-old grandad is finally sleeping through the night and it’s all down to swimming — I ask a doctor why it works and how to do it

By Eve Davies Published

Presented by Helix Sleep

This one activity is helping my grandfather beat the early starts and restless nights that have come with age. A doctor explains how it helps you sleep better.

Sleep
The Bear Elite Hybrid cooling mattress on a brown wicker bed frame, with Tom's Guide sleep tech writer Eve Davies jumping onto it after a great night's sleep. A blue Sleep Week 2026 logo, shaped to look like a cloud, sits in the bottom left hand corner.
After seven months with the Bear Elite Hybrid, my sleep score is better than ever — here's why I think it's the best cooling mattress you can buy

By Eve Davies Published

Presented by Helix Sleep

I've slept on the Bear Elite Hybrid through the warmest nights and the coldest evenings — all whilst maintaining a comfortable sleep temperature. Here's why it's still my favorite cooling mattress

Mattresses
A woman wearing a yellow stripey top stretched out in a starfish position on a bed smiling
My Oura Ring sleep score has dipped this winter — here’s why I’m not worried now spring is approaching

By Eve Davies Published

Presented by Helix Sleep

Struggled to sleep this winter? Don’t worry, spring brings better sleep, according to experts.

Sleep Tech
A woman in blue jeans and a pink sweater makes her bed as part of her nighttime routine. In the top right foreground, a Sleep Week 2026 badge can be seen.
I always fall asleep fast and stay asleep all night — and experts say it's all down to my 3-step nighttime routine

By Eve Davies Published

Presented by Helix Sleep

An expert explains why my 3-step bedtime routine helps me fall asleep fast and sleep through the night

Sleep Problems
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