
Diana Kelly Levey
Diana is an experienced journalist and editor who covers health and wellbeing, creating content for a range of leading brands including Real Simple, People, Good Housekeeping, Headspace, and WebMD. For Tom’s Guide, Diana focuses on sleep health, mattresses, and fitness equipment. Diana has reviewed mattresses from top bed brands including Saatva and Tempur-Pedic, writing helpful guides full of her top tips on how to buy the right mattress and how to keep your bed clean. Recently, Diana’s focus has turned to sleep health, where she talks with GPs, neuroscientists and chiropractors to explore subjects like insomnia and sleep talking.
Latest articles by Diana Kelly Levey

Layla Down Alternative Comforter Review 2025
By Diana Kelly Levey published
We tested Layla Down Alternative Comforter for a month to see if it lives up to the hype (spoiler alert: it does)

How to stop insomnia from returning — 6 expert tips
By Diana Kelly Levey last updated
Insomnia is a serious sleep disorder that can impact every aspect of your life. Here, sleep experts share tips for how you can avoid it and stop it from returning.

How to go to sleep earlier in 6 simple steps, according to experts
By Diana Kelly Levey published
Here’s exactly what to do if you want to go to sleep earlier tonight and make it a habit.

Can getting good sleep help weight loss? Here's what the experts say
By Diana Kelly Levey published
Good sleep can regulate hunger, boost energy and help you break through weight loss plateaus. Here’s how, according to the experts.

JALL Wake-Up Light Sunrise Alarm Clock review 2025
By Diana Kelly Levey published
I've been testing the top-rated sunrise alarm clocks. Here’s my full review of the affordable and functional JALL Wake-Up Light Sunrise Alarm Clock after a week of testing...

Is the Tempur-Pedic Tempur-Cloud worth buying in Black Friday sales? I tested it —here's my advice
By Diana Kelly Levey published
Thinking of buying the Tempur-Pedic Tempur-Cloud during the Black Friday sales? I reviewed it this year and here's my advice...

Talking in your sleep: Harvard doctor shares his 7 best tips to help you stop
By Diana Kelly Levey published
Keeping your partner up at night by talking in your sleep? Here a Harvard doctor explains why it happens and how to stop.

Does sleeping on your stomach cause back pain? A chiropractor responds
By Diana Kelly Levey published
Sleeping on your stomach could cause chronic injury to your spine and neck, says a chiropractor — here's why, plus how to stop.

Should you buy the Tempur-Cloud mattress in Memorial Day sales? I reviewed it — here's what I think
By Diana Kelly Levey published
Thinking of buying Tempur-Pedic's softest mattress for side sleepers in Memorial Day sales? Here's my take after sleeping on it for three weeks...

Sunny Health & Fitness Indoor Cycle Bike review
By Diana Kelly Levey last updated
This no-frills, sturdy bike does the job and provides a good workout for the motivated indoor cyclist on a budget.

Tempur-Pedic Tempur-Cloud mattress review
By Diana Kelly Levey published
Tempur-Pedic is known for its traditional-style mattresses, so how good is the Tempur-Cloud boxed bed? We review it to find out.

I ditched my liquid detergent for laundry sheets — here’s why you should switch too
By Diana Kelly Levey published
Find out if I’d recommend these liquidless detergent cleaning products and whether they make laundry any easier.

7 clever ways to store baking sheets
By Diana Kelly Levey published
If you enjoy baking, here are space-saving ways to store large baking sheets for an organized kitchen.

9 tips to get the most out of a pro cleaning service — top tips from experts
By Diana Kelly Levey published
Professional cleaners offer suggestions on how to optimize the time you’re getting your home cleaned.

Should you buy your kid a phone for back-to-school? Here’s what the experts say
By Diana Kelly Levey published
With back-to-school nearing for many children and teens, you might be wondering whether you should buy them a phone. Experts shared their knowledge on some best practices for this.

Buying a mattress in a box? Read these 5 tips first
By Cynthia Lawrence, Diana Kelly Levey last updated
Need a new mattress? With so many online mattresses it can be tough to decide which to get into bed with. Here are five tips for buying a mattress online.

Purple Mattress FAQ: Pricing, sizes and how to buy
By Diana Kelly Levey last updated
Here are some answers to all your questions about Purple, its proprietary cushioning technology, and what to expect from a Purple mattress.
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