References
Latest References

How much e-assistance do you really need? E-bike motor types explained
By Dan Cavallari published
Ebike motors come in a variety of types; here's how to find out how much power you actually need, so you don't overpay.

Are your best years for sleeping behind you? Women’s health specialist shares what to expect in your 30s, 40s and 50s — and how to fight back
By Ruth Jones published
From pregnancy insomnia to postmenopause joint ache, women's hormones can cause a rollercoaster of sleep issues. Our experts explain what to do about it.

Following the 7:1 sleep rule can add 4 years to your life, but sleeping in at the weekend is undoing all of your good work — an expert explains why
By Ruth Jones published
An expert explains how 'catching up on sleep' at the weekend might be ruining my sleep for the following week (and beyond), and the gold standard sleep habit I should stick to instead.

Where can you buy a Saatva mattress?
By Ruth Jones last updated
Should you shop online for the best deals on Saatva mattresses or head to a Viewing Room for a luxury testing experience? Our expert guide has all you need to know.

What pillows do Four Seasons Hotels use? You can actually buy them -- and their budget alternatives
By Becky George last updated
You can create a luxurious hotel sleep at home with these plush Four Seasons pillows.

Are 8-inch mattresses good for heavy people? I'm a sleep writer, here's my take
By Ruth Jones published
We explore if eight-inch mattresses can deliver the support and comfort a person weighing over 250lbs needs in a mattress.

Sleep, learning and memory — experts explain the 'magic elixir' that can make 2026 your best year yet
By Ruth Jones published
Want to learn a new skill? Sleep on it. Experts explain why sleep is key to memory and how you can maximize your rest to level up your New Year's resolutions.

Can you really ‘catch up’ on lost sleep during the holidays? Two sleep experts weigh in
By Julie Penfold published
Do your festive plans involve oversleeping and midday naps? Experts explain why the holiday break might not be the chance to make up for several weeks of bad sleep.

How we test sleep trackers
By Eve Davies published
A guide to how we test, review and rate sleep trackers for our shopping guides and why you can trust our recommendations

Our thermal tests show this specific type of mattress helps you sleep cooler than any other — here's exactly what to look for
By Eve Davies published
Our new and improved mattress testing data shows hybrid mattresses are the best at keeping you cool at night. Here's how they do it and what hot sleepers should look for when bed shopping.
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