Teenagers who go to bed early and sleep longer have sharper brains, study finds

Researchers surprised at impact that even small differences in sleep make to adolescents’ cognitive abilities

Cinderella partying: why young women no longer dance until dawn

In a new survey, just 5% of British women claimed their perfect night involves dancing with friends – and 65% would rather not go out at all

Put your baby down to nap near a washing machine, expert says

Researcher warns that dark daytime naps can disrupt babies’ sleep when they properly go to bed at night

I spent four decades not sleeping a wink – until a doctor took my insomnia seriously

Insomnia is not a grievance made by difficult women. It’s a life-threatening condition that often stems from a physical issue many doctors refuse to see

Changing your clock? Scientists are only just beginning to understand what this does to us

Our research in October showed that ‘falling back’ had a negative impact on women, especially mothers. Do we need to shift the way we think about time, asks professor of the psychology of time Ruth Ogden

New mums are being ‘strongly encouraged’ to take regular exercise and get more sleep. Hahahaha

New guidelines are well intentioned, but as parents of babies know, finding time to look after yourself is impossible, says Guardian columnist Rhiannon Lucy Cosslett

I’ve got a new secret weapon against insomnia: a £20 strip of padded fabric

My wireless sleep headphones let me enter a one-woman sensory deprivation chamber every night. Heaven

Tell us: have you got a tip for getting yourself back to sleep?

Waking in the early hours can be problematic and we’d like to hear your tips and tricks for getting back to sleep

Simba Hybrid Pro mattress review: is it worth the hype? I slept on it for three months to find out

This premium mattress comes with a chunky price tag. Here’s what impressed me – and what could be better

Otty Original Hybrid mattress review: the best hybrid mattress you can buy – and also one of the cheapest

This ‘bed-in-a-box’ mattress gave our tester her best sleep in years and it’s hundreds of pounds cheaper than some of its rivals