Night owls versus early birds: who is superior according to science?

And is it actually possible for your body clock to change? Am I really turning into an early bird or have I just been forced into a child-dictated schedule?

What is the best pillow for your sleeping style?

The wrong pillow can disrupt sleep, so finding the right one can guard against decline in mental and physical health

From exploding gin to dating app disasters: our Filter writers’ guide to life

Consumer advice and life lessons: here’s everything our Filter writers have learned in the past year. Plus gifts for Diwali; cordless vacuums on test; and the best hair masks, revealed

I thought I found the perfect pillow. Could these three unseat my favorite?

The Original Adjustable Pillow put Coop on the map by suiting sleepers of all kinds. I tested to the Adjustable Orthopedic, Original and Wedge options see if they match up

Emma Original mattress review: a comfy, breathable hybrid – and cheaper than its rivals

Emma’s mattress promises cosy nights at a fair price, but poor customer service reviews kept us from testing it – until now

The best mattresses for back pain – and how to choose one, according to osteopaths and sleep scientists

Is a firm orthopaedic mattress best for your back? How soft is too soft? We ask the experts

Why do I keep waking up at 2am – and how do I get back to sleep?

Experts say it’s common to wake up at night, but maintenance insomnia can cause trouble sleeping again

Is it true that … women snore less than men?

Women are less likely to report that they snore, but menopause, pregnancy and weight gain can all take their toll

Daylight saving haters rejoice: scientists confirm it’s bad for health

US Congress is debating permanent daylight saving – but new research shows keeping clocks on standard time is least stressful on the body

I spent months testing insomnia cures – then grieving for a pet made sleep impossible

What sleep aids can’t fix; eco-friendly period products; and LED face masks, tested