
Eve Davies
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

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

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.

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.

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.

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

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

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

'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...

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...

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

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

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.

'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...

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

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.

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

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.

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.

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

3 reasons why your Apple Watch sleep score is 'Low' — and how to fix it starting tonight
By Eve Davies last updated
Experts share 3 reasons why your Apple Watch Sleep Score is low even when you get 7 hours or more sleep a night

This is the longevity focused metric in your sleep score that can indicate how well you’re ageing — experts explain why and how to improve yours
By Eve Davies published
Presented by Helix Sleep
Forget 8 hours: Experts say this sleep habit is the real key to longevity, and your sleep tracker is paying attention to it every night. Here’s how to find, track and improve your score whether you have an Apple Watch, Oura, Garmin or Whoop

You're taking melatonin supplements wrong — 3 science-backed ways to fall asleep faster without them, according to a sleep doctor
By Eve Davies last updated
Melatonin supplements can’t actually fix your sleep — here’s what to do instead, according to a leading sleep doctor

I just got a near-perfect '97' sleep score on my Apple Watch — these are the 3 key changes I made to my bedtime routine to help me sleep better
By Eve Davies published
This is how I boosted my Apple Watch sleep score from 72 to 97 within a week, and the affect it’s now having on how well-rested and energized I feel
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