
Eve Davies
Eve is a PPA-accredited journalist with an MA in Magazine Journalism from Cardiff University. She has four years’ experience writing features and news and is interested in the relationship between good sleep, overall health and physical performance. At Tom’s Guide, Eve is responsible for reviews of sleep tech and is our smart and cooling mattress specialist, focussing on brands like Eight Sleep and Sleep Number. She also covers general mattress reviews, seeks out the best deals on sleep accessories and enjoys writing features about sleep health. She has been involved in rigorous mattress testing procedures in our Sleep Studio and has interviewed experts including sleep doctors and psychologists. When not covering sleep at Tom's Guide, Eve enjoys writing about fitness, food and culture.
Latest articles by Eve Davies

I tested the Withings Sleep Analyzer to see if it really is the gold standard for sleep tracking
By Eve Davies published
We tested the Withings under the mattress sleep tracker for two weeks to see how reliable it really is

I hate wearing a watch to bed but want to track my sleep — the Garmin Index Sleep Monitor is the wearable I've been waiting for
By Eve Davies published
We tested the new Garmin Index Sleep Monitor to see if its worth ditching your smartwatch in bed

Trouble sleeping? Calm just launched a new sleep app with tailored sleep plans and an exclusive earbud deal
By Eve Davies published
Calm has a new sleep-focused app and Calm x Ozlo sleepbuds in the pipeline, we're taking a look at both.

I love my Hatch Restore 3 but this sunrise alarm clock is almost as good – and it’s on sale for just $59
By Eve Davies published
Hatch Restore 3 and Dreamegg face-off: I've tested both sunrise alarm clocks and this is the one I recommend

Running is my secret to falling asleep fast night after night — here's why it works, according to a sleep specialist
By Eve Davies published
Running helps me achieve great sleep scores — circadian scientist explains why

The best Sleep Number mattress sales in September 2025: save up to $800 on award-winning smart beds with these deals
By Eve Davies last updated
Save up to $800 in Sleep Number's September sale — how to get the best price on top smart beds with adjustable firmness and built-in sleep trackers

My 2-minute hack to fall asleep fast every night — it's easier than the Military Sleep Method
By Eve Davies published
Forget the Military Sleep Method and counting sheep — cognitive shuffling is my go-to trick for falling asleep fast

Vagus nerve stimulators are the latest trending sleep gadget — I put a $900 one to the test
By Eve Davies published
I've been testing Nurosym for a week to see if vagus nerve stimulation can really help you overcome stress and sleep better

Lumie Bodyclock Glow 150 review 2025: Top sunrise simulation, limited sleep sounds
By Eve Davies published
I tested the Lumie Bodyclock 150 for a week to see if it can elevate my morning routine and help me wake up feeling refreshed. Here's my full review...

5 of the best sunrise alarm clocks to buy now
By Eve Davies last updated
We put the best-selling sunrise alarm clocks to the test. Here are our top recommendations for every budget and sleeper

The 5 best smart beds and smart mattresses 2025: cutting-edge tech to help you sleep better
By Eve Davies last updated
Our experts recommend the best smart beds and smart mattresses, featuring advanced tech to help regulate sleep temperature, customize your sleep set up and track your health metrics

Trust me, the Bryte Balance Pro is one of the best smart mattresses around — and it's up to $1,340 off for Labor Day
By Eve Davies published
I've been shopping Labor Day smart bed sales all weekend. Here's why you shouldn't pass up 20% off the Bryte Balance PRO...

We've tested many of the best cooling mattresses — these are the two worth buying in today's Labor Day sales
By Eve Davies last updated
Quick! We've found the best cooling mattresses for most hot sleepers — these are the two best deals to shop in today's Labor Day sales

I Love My Oura Ring but These Cheaper Alternatives Track Your Sleep Almost As Well — From Just $39 in the Labor Day Sales
By Eve Davies published
I won't shut up about my Oura Ring. But these Amazon dupes could track your sleep just as well — from $39 this Labor Day and subscription-free.

Saatva Has Launched a Huge Sale on All Its Luxury Beds — And There's One Our Mattress Testers Would Line Up to Buy
By Eve Davies published
Save $400 on the luxury Saatva mattress that wowed our testing panel — we think it's worth every cent

I ditched my high-tech Eight Sleep Pod for a standard cooling mattress — here's which one I'd buy this Labor Day
By Eve Davies published
Labor Day is a great time to invest in your sleep, especially if you're a hot sleeper — but should you choose a cooling mattress or smart cover?

These morning habits could be the reason you can't sleep at night — and what to do instead
By Eve Davies published
From checking your phone to having a lie in — these seven morning habits could be keep you awake at night. Here's how to fix it.

Struggle to get up for 9am classes? Here's the $50 sleep gadget I wish I'd known about
By Eve Davies published
A sunrise alarm clock is the one sleep gadget I'd buy if I was going to back to school this fall. Here's the best deal to shop at Amazon today

Eight Sleep vs Sleep Number Bed: Which smart mattress should you buy?
By Eve Davies published
Do you need temperature control or adjustable firmness? Discover if the Eight Sleep Pod 4 mattress cover or the Sleep Number i8 Smart Bed is the best pick for you and your sleep needs

Hot sleeper? This is the Saatva mattress I'd buy in the Labor Day sales — $400 off all sizes now
By Eve Davies published
This naturally cooling mattress just dropped to its lowest price in a queen size and smaller — and it promises clean, comfortable sleep

Beat the Helix Labor Day sale — save on these mattresses for every sleep position
By Eve Davies published
You can get 27% off your perfect Helix mattress with our exclusive code now — here's which bed we recommend based on your sleep position

Our best budget cooling mattress just dropped to its lowest price — get a queen for only $599
By Eve Davies published
Get the Cocoon by Sealy Chill for its lowest price now — it's $100 cheaper than it was last week

Overheating at night? The coolest beds I've slept on all have this one killer feature
By Eve Davies published
Are you a hot sleeper looking for a new mattress? Here's why you should go hybrid
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