Frances Daniels is a PPA-accredited journalist and Sleep Staff Writer at Tom's Guide with an MA in Magazine Journalism from Cardiff University. Her role includes covering mattress and sleep news and writing sleep product reviews and buyer's guides, including our Best Hybrid Mattress 2025 guide. She is interested in the relationship between sleep and health, interviewing an array of experts to create in-depth articles about topics such as nutrition, sleep disorders, sleep hygiene, and mattress care. She is also our specialist on mattress toppers — producing bed topper reviews and taking care of our Best Mattress Toppers 2025 guide — and leads content relating to fiberglass-free beds for a non-toxic sleep. Outside of Tom's Guide, she has written for Ideal Home and Marie Claire.
Latest articles by Frances Daniels

We test beds for every budget — these 6 are the best cheap mattresses under $400 in 2026
By Frances Daniels Last updated
Our expert testing panel tried the most popular beds under $400 for a queen, these were the 6 best cheap mattresses that provided quality comfort at a budget price

5 differences between an insomniac and someone who gets 7+ hours sleep a night — and why sleep experts say it matters
By Frances Daniels Last updated
Health experts share the 5 habits that separate insomniacs from people getting enough sleep — plus the 3-step routine for falling asleep fast

Are Sleep Number beds worth it? I’m a sleep tech tester and here’s my take
By Eve Davies Last updated
Here's everything you need to know about investing in a Sleep Number bed in 2026, from its bankruptcy to its collection revamp

SweetNight CoolNest Memory Foam Mattress review: Cooling comfort at a budget price
By Frances Daniels Published
The SweetNight CoolNest offers a cool-to-the-touch feel for side and back sleepers but there's one type of sleeper who should give it a miss

97% of dorm room bacteria is on your bed — these 12 dorm essentials will protect you while you sleep
By Frances Daniels Last updated
Research finds beds account for up to 97% of bacteria found in some college dorms. I've rounded up 12 deals on germ-resistant sleep essentials, to keep you protected.

DreamCloud mattress sales for August 2026: Save big on boxed beds
By Frances Daniels Last updated
All the best savings in this month's DreamCloud mattress sale, including our favorite bed-in-a-box from just $399. Plus, our expert advice on the sales.

Brooklyn Bedding mattress sale for August 2026: 25% off top-rated memory foam, hybrid, and cooling beds
By Frances Daniels Last updated
August's Brooklyn Bedding sale takes 25% off all beds, as well as as cooling pillows, bedding and toppers. Here's our expert guide on how to buy the brand's mattresses for the lowest prices

A board-certified sleep doctor gave me a 1-week schedule to go from 6 to 7 hours sleep a night — here’s what happened to my Oura ring ‘sleep debt’
By Frances Daniels Published
I owed 8 hours and 50 minutes in 'sleep debt', so I asked Dr. Shelby Harris to create a 7-night schedule to help me pay it back. Here's what happened...

I tried 3 free sleep trackers for iPhones and compared them to my gold standard sleep tracker — one seriously impressed me
By Frances Daniels Published
I pitted 3 sleep trackers against my $499 Oura Ring 5 and compared the data. But which one impressed me the most: Sleepwave, Sleep Cycle, or SleepScore?

I tested 5 viral pillow cleaning hacks to see if they work — here’s what happened when I pitted them against 3 gold standard techniques used by specialists and hotels
By Frances Daniels Published
TikTok is full of so-called hacks for cleaning pillows, but how do they compare to the methods that experts and hotels use? This is what I found out...

This is how often (and the exact temp) you need to wash your bed sheets and pillowcases this summer, according to an infection prevention expert
By Frances Daniels Published
Hot weather leaving your bed sheets and pillows damp most nights? According to a hygiene expert, here's how often you should them in summer to prevent a grim mix of sweat, oil, and allergen build-up.

Beyond the sleep score: What is a circadian score and which wearables offer it?
By Frances Daniels Published
Wearables are pushing sleep scores aside for circadian scores, but can monitoring your body clock help you fall asleep faster, deeper and for longer?

Doctor explains why your AC is waking you up at 3 a.m. — and 3 simple ways to fix it
By Frances Daniels Published
Air conditioning is great if you want to keep your bedroom cool in heatwaves and avoid night sweats, but it can also cause 3 a.m. wake ups — Dr. Dale Christensen explains why

Is magnesium or melatonin better for reducing 3 a.m. wake-ups and sleeping through the night? Experts wade in
By Frances Daniels Published
I asked a registered dietician and a sleep doctor if I should swap my magnesium gummies for melatonin to avoid 3 a.m. wake ups. Here's their verdicts...

Tempur-Pedic launches 4th of July mattress topper sale — and this is the one to buy in a heatwave
By Frances Daniels Published
Tempur-Pedic's 4th of July sale is now live, and this 30% discount saves you $160 on the ultra-comfortable Tempur-Adapt + Cooling Mattress Topper

We tested a $349 cooling mattress and compared it to our $1,200 top-rated bed for hot sleepers — here's which one to buy in 4th of July sales
By Frances Daniels Published
The SweetNight CoolNest Mattress costs from $329 in today's sales compared to $1,200 for the Bear Elite Hybrid. Here's how much extra cooling clout you get for your money

4th of July pillow and mattress topper deals to help you sleep better until you get a new bed — from $22
By Frances Daniels Published
From adjustable pillows to supportive toppers, these 4th of July sales will help you extend the life of your mattress, and boost your sleep comfort, while you save up for a new bed

The coolest queen mattress I've slept on is $399 in today sales — and it comes with $100 worth of free pillows
By Frances Daniels Published
The SweetNight CoolNest is a comfy cheap mattress for side and back sleepers who overheat while sleeping. Here's why I recommend it in today's 4th of July sales...

9 dorm room essentials to help you sleep well at college — from $10 in the 4th of July dales
By Frances Daniels Published
A new study reveals that college students get better grades if they catch more Zs — here are the 4th of July sleep deals to help students fall asleep fast and wake up fresh.

The best bed sheets sets of 2026: Vetted and tested by our sleep experts
By Frances Daniels Published
From classic cotton to silky bamboo, these are our 5 best bed sheet sets tested and approved for their softness, comfort and ease of care. Plus, other great bedding to try...

I tried two of Helix's top mattresses for side sleepers — here's how to choose between them in 4th of July sales
By Frances Daniels Published
You can save 25% on the Helix Midnight Luxe and the Sunset Luxe in the 4th of July mattress sales. Here’s the one you should buy if you need more support...

Sleep through summer heatwaves with these top 12 cooling mattress and bedding deals — from just $15 in the 4th of July sales
By Frances Daniels Published
If the summer heat is killing your sleep, these expert recommended cooling essentials will help you snooze without the sweating — and they're on sale for the 4th of July.

My favorite budget bed just hit an all-time low of $299 for a king in the 4th of July mattress sales
By Frances Daniels Published
A new Amazon deal slashes $200 off a king EGOHOME Black 12" Memory Foam Mattress — here's why it's the best value deal I've spotted in the 4th of July sales

I'm testing the coolest budget mattress on the market and it's perfect for summer heatwaves — now up to 43% off in the 4th of July sales
By Frances Daniels Published
The budget-friendly SweetNight CoolNest Memory Foam Mattress promises to help you sleep 8°F, but with a heatwave coming, is it worth buying in the 4th of July sales?
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