Lauren Jeffries
Lauren is an experienced writer and editor in the health and lifestyle industry and has led many campaigns and projects that deliver news, advice, and research on all things sleep. As the Sleep Features Editor for Tom’s Guide, Lauren writes, commissions and edits sleep and mattress content, from in-depth how-tos in sleep and mattress health to interviews with doctors and neuroscientists on the latest news in sleep. Lauren regularly tests new sleep tech and accessories to evaluate their effectiveness for getting good quality sleep and easing specific sleep struggles like nighttime anxiety. Alongside this, Lauren reports on the best mattress brands out there, like Helix, Saatva, and DreamCloud, helping readers find the right mattress for them and the best deals on them.
Latest articles by Lauren Jeffries

World Sleep Day 2025 is here! All the best tips, tech and hacks to help you sleep better
By Lauren Jeffries last updated
Presented by Helix Sleep
It's officially World Sleep Day 2025! We're bringing you expert interviews, sleep tech recommendations and the best hacks and methods to improve your sleep.

My anxiety is worse at night — I asked a neuropsychologist why and how to cope
By Lauren Jeffries published
Presented by Helix Sleep
This Sleep Week, I ask a neuropsychologist why my nighttime anxiety is worse at night and what I can do to calm my mind

"I'm the last to go to bed and the first to wake in the morning" — 9 women on the gender sleep gap and why they're tired all the time
By Lauren Jeffries last updated
9 women share their gender sleep gap stories and reveal why they're tired all the time

No, you shouldn’t follow Elon Musk’s sleep habits — here’s why
By Lauren Jeffries published
Elon Musk may be a billionaire, but his sleep habits are no recipe for success. Here's why.

I keep my sleep score in the 90s thanks to this one easy habit
By Lauren Jeffries published
I tracked my sleep and found the one habit that always increases my sleep score

Utopia Bedding Waterproof Bamboo Mattress Protector Review 2025
By Lauren Jeffries published
We slept on the Utopia Bedding Waterproof Bamboo Mattress Protector and conducted spill, wash and dry tests to find out if it's really spill and stain proof.

Waking up at night? These 5 daily habits could fix that — here's how
By Lauren Jeffries published
Stop waking up at night and start sleeping through the night with these 5 daytime routines.

Getting a good night’s sleep might stop you from getting another cold — here’s how
By Lauren Jeffries published
Getting a good night's sleep might be the trick to staying healthy throughout winter and boosting your immunity.

6 healthy nighttime snacks that help you sleep better, according to a nutritionist
By Lauren Jeffries published
These six healthy nighttime snacks will help you sleep better and stick to your weight loss goals

This German sleep hack is replacing the Scandi Sleep Method — and we approve
By Lauren Jeffries last updated
The German Bed Method helps couples get better sleep — and we think it's better than the Scandi Sleep Method

Last chance! Get $400 off the Saatva Classic in the extended Presidents' Day sale
By Lauren Jeffries published
The Saatva Presidents' Day sale has been extended, but this is your last chance to get $400 off the Classic.

Want the Saatva Classic mattress but on a budget? Shop these 3 alternatives for Presidents' Day
By Lauren Jeffries published
If you're shopping for a new mattress this Presidents' Day and can't fork out for the Saatva Classic, try these three comparable alternatives.

I'm a side sleeper who tests mattresses for a living — this is the Saatva mattress I’d buy this Presidents’ Day
By Lauren Jeffries published
There's $400 off my favorite Saatva mattress, the Saatva Classic, in the Presidents' Day sales — and it's great for side sleepers.

Forget roses — save yourself from sleep divorce with the ultimate Valentines gift
By Lauren Jeffries published
If you want to buy the ultimate Valentines Day gift, invest in a new mattress. Here's why.

The comfiest mattress I've ever slept on is on sale — and you'll get $599 of free bedding
By Lauren Jeffries published
Nectar's Presidents' Day flash sale has launched and it's huge! Get 50% off the Nectar Luxe and $599 worth of free bedding

I was waking up every night until this quick fix helped me sleep through
By Lauren Jeffries published
I keep waking up at night, but this simple trick helps me sleep through.

Fall asleep fast with this one breathing technique proven to relax your whole body
By Lauren Jeffries published
We asked an expert to explain how resonance frequency breathing helps you fall asleep fast and improves sleep quality

What is a pillow-top and do I need one on my mattress?
By Lauren Jeffries last updated
We break down what a pillow-top mattress is, compared to a euro-top and tight-top, and list the main signs you could benefit from a pillow-top mattress

5 things to look for when buying an organic mattress
By Lauren Jeffries published
Mattress certifications like GOTS, GOLS and USDA Organic will prove your mattress is organic. But what else should you look for when buying an organic mattress?

I asked a parasomnias expert what was causing my night terrors – her answer surprised me
By Lauren Jeffries published
I asked Dr. Acostamadiedo what causes night terrors, hallucinations and other parasomnias, to get to the root of my recurring night terror.

Doctor reveals what happens if you sleep too much — and it's almost as bad as not sleeping enough
By Lauren Jeffries published
We spoke to a specialist sleep doctor to find out exactly what happens when you sleep too much.

I tried the Saatva Classic mattress and was blown away — and it's at its lowest price for Presidents' Day
By Lauren Jeffries published
A queen size Saatva Classic mattress has dropped to $1,699 ahead of Presidents' Day. Here's why I'd buy it now...

Over 70% of women feel their sleep is impacting their mental health, new survey reveals
By Lauren Jeffries published
A new study reveals over 70% of women feel their sleep is impacting their mental health. We asked Dr. Weiss to explain today's findings.

What is sleep inertia? We asked an expert how to stop feeling groggy in the morning
By Lauren Jeffries published
We asked Dr William Lu, a sleep expert, what is sleep inertia, what causes it and how we can stop it, so you can say goodbye to groggy mornings.

People are swapping their nighttime sleep for multiple naps — but what is polyphasic sleep and is it dangerous?
By Lauren Jeffries published
Polyphasic sleep means breaking up your usual nighttime sleep into shorter naps. We asked an expert if it's a dangerous schedule and alternatives for better productivity.
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