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

Two women sat on Helix Midnight Luxe mattress in sleep studio with green plants and shelving either side of bed and Tom's Guide Prime Day

Prime Day might be over but these epic mattress deals are still live — save up to $1,020

By Eve Davies Published 14 July 25

Our expert guide to the final Prime Day mattress savings, plus deals from Helix, Saatva, Tempur-Pedic and more.

Mattresses

The best Prime Day sleep and mattress deals still available, from $15 — picked by our expert team

By Lauren Jeffries Last updated 14 July 25

The Amazon Prime Day sleep deals have ended — From our handpicked 65+ best savings, including sleep trackers, cooling bed sheets, mattresses and pillows, these 10 are still live

Sleep

A woman sat on bed with white bedding in bedroom with plants, sunlight coming in through window and a white fan on bedside unit

This simple DIY air conditioner helped me fall asleep fast during a heatwave — here's how to try it

By Eve Davies Published 13 July 25

I swapped my Eight Sleep Pod for a homemade AC — it does the job but I wouldn't recommend it for night long cooling

Sleep

I love my Garmin sleep tracker, but these 4 cheap alternatives are almost as good — starting from $64 for Prime Day

By Eve Davies Published 12 July 25

My job is testing sleep trackers — if I was looking for one on a $200 budget, these are the ones I'd buy this Amazon Prime Day...

Sleep Tech

Blue Jimmy BX7 Pro mattress vacuum on white mattress surface with Tom's Guide Prime Day badge

I’m a sleep tech tester and clean freak — my favorite mattress vacuum for dust mites is 27% off, but the Prime Day deal ends today

By Eve Davies Published 12 July 25

Don't let Prime Day pass without taking care of your mattress

Sleep Tech

I’m a sleep tech tester — 5 Prime Day deals from $9 I'd snap up if I was sharing a dorm this semester

By Eve Davies Published 11 July 25

Last chance! These are the Prime Day back to school deals I'd snap up if I was sharing a dorm this semester — all under $50

Sleep Tech

Final call! Bag the Oura Ring 4 for the cheapest price of 2025 so far — from $296 for the best sleep tracker I've tested yet

By Eve Davies Published 11 July 25

Going, going, gone! My job is testing sleep trackers — today is your last chance to score my favorite at 15% off

Sleep Tech

Menopause is ruining my mom’s sleep — so I sent her these 4 Prime Day products

By Eve Davies Published 10 July 25

Beat night sweats and nighttime anxiety with these super Prime Day sleep deals

Sleep

I’m a sleep tech expert and these 3 cheap Prime Day Oura ring alternatives from $56 are unbeatable

By Eve Davies Published 10 July 25

For sale, sleep tracking rings from just $56 at Amazon

Smart Rings

Couple in bed with white sheets and BedJet cooling system next to bedside tables with lamp and plants with Tom's Guide

I love my $2,649 Eight Sleep pod, but this cooling bed fan is almost as good — and it's $1,560 cheaper this Prime Day

By Eve Davies Published 10 July 25

If I wasn't sleeping on the Eight Sleep Pod, this is the smart cooling mattress system I'd buy this Prime Day — up to $480 off now

Sleep Tech

I love my Oura Ring, but this cheap sleep tracker is nearly as good — and it's under $60 on sale this Prime Day

By Eve Davies Last updated 10 July 25

I love my Oura Ring for sleep tracking — but this alternative looks almost as good and it's under $60 for Prime Day

Smart Rings

The Oura Ring 4 is still on sale under $300 for Prime Day — that's the lowest price we've seen so far

By Eve Davies Published 10 July 25

My favorite Prime Day sleep tracker deal so far? The latest and greatest Oura Ring for under $300

Sleep Tech

A woman with dark curly hair sitting up in bed with beige pyjama top and bedsheets with sun coming in through window

This simple nighttime routine helps me fall asleep fast — even in a heatwave

By Eve Davies Published 9 July 25

I never let hot nights ruin my sleep — 5 nighttime habits I rely on to fall asleep fast (yes, even in a heatwave.)

Sleep

The DreamCloud mattress we tested and loved drops to $549 for a queen in epic Prime Day deal

By Eve Davies Published 9 July 25

Grab a DreamCloud at a fantastically low price with this outstanding Prime Day offer

Mattresses

A collage of sleep tech; Woman's hand with pink nails wearing silver Oura Ring 4 on index finger (top left); blue Jimmy vacuum on mattress (top right); pink Hatch Restore 3 sunrise alarm clock on bedside table with pink check wall and green bedding (bottom left); a woman wearin green Musicozy speaker sleep mask (bottom right) with blue Tom's Guide Prime Day badge in middle

I'm an Amazon Prime Day sleep tech expert — here are the 7 best gadgets I'd buy for better sleep

By Eve Davies Published 9 July 25

My job is finding gadgets that actually help you sleep — here are the Prime Day deals I'd snap up from sleep trackers to sunrise alarm clocks.

Sleep Tech

A man in bed with brown sheets next to bedside table with books, cactus and Hatch Restore 3 sunrise alarm clock

I test sleep tech — the sunrise alarm clock I tell all of my friends to buy is $30 off right now for Prime Day

By Eve Davies Published 8 July 25

A Hatch Restore 3 sunrise alarm clock drops to $139.99 in Amazon Prime Day deal — that's the lowest price since launch

Sleep Tech

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

8 things that happen to your body when you don't get enough sleep

By Eve Davies Published 5 July 25

Doctor reveals just how much sleep deprivation can impact our bodies

Sleep

I'm a sleep tech tester — these are the gadgets I'd buy if I was heading back to college this summer

By Eve Davies Published 4 July 25

I spend my time testing sleep tech and I've found the 5 gadgets I'd recommend to all students returning to college this semester

Sleep Tech

The Bear Elite Hybrid cooling mattress on a bed frame in a bedroom, a Tom's Guide price drop deals graphic in the bottom right corner

I'm a mattress tester — the cooling bed I'd buy just dropped to 40% off in 4th of July sale

By Eve Davies Published 3 July 25

Hot sleepers! Save up to $1,912 on the cooling and incredibly comfortable Bear Elite Hybrid today

Mattresses

A woman sits on the edge of the Siena Memory Foam Mattress in a bedroom, testing the edge support of this cheap gel memory foam mattress. A Tom's Guide lowest price deals graphic in the right corner

The Siena Memory Foam Mattress is cheaper than Black Friday in epic 4th of July Amazon mattress sale

By Eve Davies Published 2 July 25

The mattress I recommend for all budgets is $278 for a queen in epic Amazon 4th July sale — that's cheaper than Black Friday

Mattresses

Two women sitting on the Brooklyn Bedding CopperFlex Pro Hybrid mattress in a bedroom, with a Tom's Guide label overlaid saying 'LOWEST PRICE'

The mattress that helped me sleep cool during a heatwave is up to $480 off in 4th of July sales

By Eve Davies Published 27 June 25

The Brooklyn Bedding Copperflex Pro mattress is my key to cooler summer sleep, and it's now 30% off

Mattresses

A woman wearing wellies, jeans and a white t-shirt kneeling down planting green plants

This one outdoor activity could be the key to unlocking better sleep this summer

By Eve Davies Published 26 June 25

Having trouble sleeping? Try gardening, say experts

Gardening

Charcoal grey GhostBed Luxe mattress vs navy, white and bronze Brooklyn Bedding Copperflex Pro mattress

Brooklyn Bedding CopperFlex Pro Hybrid vs GhostBed Luxe: Which pillow top cooling mattress should side sleepers buy?

By Eve Davies Published 26 June 25

We look at the key differences between the Brooklyn Bedding CopperFlex Pro Hybrid and GhostBed Luxe mattresses, comparing price, design, comfort, and more

Mattresses

Bear Elite Hybrid mattress on black bed frame and abstract pattern rug (left). Brooklyn Bedding Copperflex Pro mattress on rattan bed frame and rug next to plant (right).

Brooklyn Bedding CopperFlex Pro Hybrid vs Bear Elite Hybrid: Which cooling mattress should you buy?

By Eve Davies Published 25 June 25

We look at the key differences between the Brooklyn Bedding CopperFlex Pro Hybrid vs Bear Elite Hybrid mattresses, comparing price, design, comfort, and more

Mattresses

The Brooklyn Bedding Copperflex Pro Hybrid mattress on wooden bedframe in sleep studio vs Purple mattress on wooden bedframe with grey cushions in bedroom with lilac wall

Brooklyn Bedding Copperflex Pro Hybrid vs Purple Mattress: Which cooling mattress should couples buy?

By Eve Davies Published 24 June 25

We look at the key differences between the Brooklyn Bedding Copperflex Pro Hybrid vs Purple mattress, comparing price, design, comfort, and more

Mattresses

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