Frances Daniels

Frances Daniels

Senior Sleep Staff Writer

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

Christmas hot chocolate with marshmallows

No, hot chocolate isn't good for sleep — health expert explains why you should swap it for this 'golden' drink instead

By Frances Daniels published

Hot chocolate is the quintessential cozy beverage, but a dietician tells us it's not so good for our sleep...

Sleep
The left half of the Saatva Graphite Memory Foam Mattress Topper combined with the Saatva High-Density Foam Mattress Topper to make a whole. A blue wavy line separates the two bed toppers.

Graphite vs High-Density foam: Which Saatva mattress topper is ideal for side sleepers?

By Frances Daniels published

We've tested both the Saatva Graphite vs High-Density Foam toppers —here's which you should buy based on price, design, and comfort for side sleepers

Pillows & Bedding
A photograph of a stack of mattress toppers pasted onto a paste-blue background with a cobalt-blue pattern.

How much should you pay for a mattress topper? I review them for a living, here's what I think

By Frances Daniels published

While a bed topper is a cheaper alternative to a new mattress, prices can vary. So, here's how much a mattress topper should cost...

Mattress Toppers
An image of a stack of mattress toppers with a blue Black Friday sleep deals badge in the bottom right-hand foreground.

Black Friday mattress topper sales 2025

By Frances Daniels last updated

Our guide to the best mattress topper sales of Black Friday 2025 from Tempur-Pedic, Amazon, Casper, and more...

Mattress Toppers
Woman with hair in towel relaxes at night with a bowl of cereal

Doctor warns this common food is wrecking our sleep — and we eat over 30lbs of it a year

By Frances Daniels published

This popular nutritious ingredient is surprisingly disruptive to your sleep, according to experts. Here's why and what to eat instead...

Sleep Problems
A collage of sleep gifts under $20 on a white blanket and lilac satin sheet.

12 stocking stuffers for under $20 for the person in your life who loves to sleep

By Frances Daniels published

Does your workplace Secret Santa have strict budget rules? Give the gift of sleep for under $20 with these cozy stocking fillers

Sleep
Siena mattress

Siena mattress sale and deals for December 2025: Budget beds from just $149

By Frances Daniels last updated

Enjoy discounts of up to 60% off on budget-friendly Siena mattresses in this month's sales.

Mattresses
A collage of nighttime routine products at Amazon.

Build the ultimate nighttime routine for cozy winter evenings with these 12 products

By Frances Daniels published

Everything you need to build the ultimate nighttime routine and fall asleep fast, from lavender-scented body wash,

Sleep
Two girls sitting on Brooklyn Bedding Copperflex Pro Hybrid mattress on wooden bedframe with plants and shelving either side of bed

Brooklyn Bedding mattress sale for December 2025: Save 25% on hybrid and memory foam beds with this month's deals

By Frances Daniels last updated

Brooklyn Bedding cuts 30% off all of its mattresses ahead of official Black Friday sales. Here's our expert guide to what's worth shopping right now.

Mattresses
A four-piece collage featuring different mattress toppers for side sleepers. In the center foreground, there is a Cyber Monday sleep deals badge.

Side sleepers, it's your last chance to soften your mattress for less with these 5 final Cyber Monday bed topper deals

By Frances Daniels published

Soften a hard bed with these mattress topper deals still live in the Cyber Monday sales — but I expect these discounts will soon disappear.

Mattress Toppers
A college of four images of women laying on cooling mattress on their side in sleep studio with blue walls and plants

The best mattress for side sleepers 2025: 8 beds our side sleeping testers love

By Claire Davies published

If you sleep on your side, you need to choose a mattress with plenty of cushioning support. Luckily, our testing panel is full of side sleepers, and we've selected eight mattresses that fit the bill.

Mattresses
A collage of photos depicting the various stages of our hybrid mattress testing and reviewing process in order to find the best options for people to buy in 2025

Best hybrid mattress 2025: Our top 7 picks after testing dozens of beds

By Claire Davies published

A good hybrid mattress delivers the best of both worlds: superb support and cozy comfort. We've tested over 80 hybrid mattresses, and these are the 7 we recommend buying

Mattresses
A stack of mattress toppers on top of a mattress

I'm a mattress topper expert — my top 5 tips for getting a good deal this Black Friday

By Frances Daniels last updated

Looking for a mattress topper this Black Friday? Here's a quick guide to finding a good deal in the sales

Mattress Toppers
(Clockwise from left) Cut-outs of the Casper Comfy Topper, the Lucid Gel Memory Foam Mattress Topper, Tempur-Adapt + Cooling Mattress Topper, and the Sleepyhead Cooling Copper Topper on a gradient blue background.

Best mattress toppers 2025: 11 expert-tested picks for every bed and budget

By Frances Daniels last updated

We've tested all the latest mattress toppers and rate these 11 as the best to buy in 2025 for every type of bed, whether you need extra cooling, softness, or firmness

Mattress Toppers
The composite image shows from L-R the Oura Ring 4, Quince gingham bed sheets, Coop Adjustable pillow and the Saatva Classic mattress. In the center of the image is a blue pillow-shaped badge with the text "Tom's Guide Sleep Awards 2025"

Tom’s Guide Sleep Awards 2025: All the winners across every major category

By Frances Daniels published

We've crowned this year’s best products to help you sleep better, from mattresses and pillows to sunrise alarm clocks and sleep trackers

Mattresses
Our sleep features editor Lauren Jeffries lies on her side on the Nectar Premier Memory Foam Mattress, with her back to the camera. A laser line indicates where her spine would be to show how her body is supported by the Nectar Premier Memory Foam Mattress.

Side sleeper? This is the mattress to buy in the Black Friday sales based on our testing

By Frances Daniels published

Here's why I'd choose the Nectar Premier Memory Foam Mattress over the cheaper Zinus Green Tea in the Black Friday sales

Mattresses
Two Tom's Guide Sleep Writers lying next to each other on their side on the Saatva Classic mattress

Beginner’s guide to Black Friday mattress deals — 5 key things to remember before you shop

By Frances Daniels last updated

The Black Friday mattress deals have landed — but before you shop, follow our guide to the 5 things you should know

Mattresses
The Nolah Natural 11 Mattress in a well-lit bedroom with a Tom's Guide Black Friday Mattress Deals badge overlaid

Nolah launches free white glove delivery on mattress orders over $1,450 in the Black Friday sales — here's what that means

By Frances Daniels published

Nolah is offering free in-home setup and removal for mattresses over $1,450 this Black Friday — here are the beds that include the premium service

Mattresses
The Birch Organic Mattress Topper in beige

Want to put a mattress topper on memory foam? Latex is the answer — here's the Black Friday deal I recommend

By Frances Daniels published

There’s a 20% Black Friday discount on the Naturepedic Adagio Mattress Topper, but I'd check out this cheaper latex deal first

Mattress Toppers
A close-up image of the bottom left-hand corner of the Tempur-Adapt + Cooling Mattress Topper attached to a white mattress. In the foreground, there is a Tom's Guide Sleep Awards 2025 badge with a crescent moon and a cloud illustration.

Tom’s Guide Sleep Awards 2025: Best Mattress Topper

By Frances Daniels published

We think mattress toppers should offer luxury for less, and the TempurAdapt + Cooling doesn’t just replicate the premium feel of Tempur-Pedic’s beds — it sleeps cooler, too

Mattress Toppers
Two of our mattress testers sit on the Siena Signature Mattress on a bed frame in our testing studio. On the left, Nicola Appleton sits close to the side of the mattress to test the edge support. On the right, Frances Daniels sits on the sleeping area of the bed to better understand the comfort.

An expensive mattress isn't always best — meet the cheap memory foam bed that outperformed many luxury rivals in our testing

By Frances Daniels published

We've tested and re-tested the Siena Signature Mattress, and this budget memory foam impressed in these three benefits...

Mattresses
An image of the WinkBed mattress on a bed frame in a bedroom with a Black Friday mattress deals badge in the top left foreground.

Is the WinkBed worth buying in the Black Friday sales? We tested it, here’s our advice

By Frances Daniels published

There's 30% off the WinkBed this Black Friday, but is this hybrid mattress worth buying? Here's our take on its price, design and comfort

Mattresses
We test the best cheap mattress, the Siena Memory Foam, to find out if its good value

Best cheap mattress 2025: 8 expert-approved budget beds under $500 for a queen

By Frances Daniels last updated

Mattress shopping on a tight budget? We're her to assure you that there are trusty cheap beds out there — here are our eight favorites

Mattresses
A college of Saatva High-Density Foam Mattress Topper images pasted onto a blue-green gradient background.

Saatva’s best-selling mattress topper isn’t in the Black Friday sale — so I’d buy this cheaper alternative instead

By Frances Daniels published

There’s no Black Friday deal on the popular Graphite Memory Foam Mattress Topper, so save up to $70 with this cheaper option from the brand instead

Mattress Toppers
A Viscosoft Active Cooling Copper Mattress Topper with an early Black Friday mattress topper deals badge

This cooling mattress topper is always sold out — but it's back and up to $169 off for the Black Friday sales

By Frances Daniels published

This Black Friday, make your mattress firmer for up to $169 less with this epic deal on the ViscoSoft Active Cooling Copper Mattress Topper

Mattress Toppers
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