Rolled over: why did married couples stop sleeping in twin beds?

A new cultural history shows that until the 1950s, forward-thinking couples regarded sharing a bed as old-fashioned and unhealthy

The secret lives of extreme larks: what do people who rise at 4am do with their mornings?

Getting up before dawn is more common than you might think, and can be great for exercise, self-improvement and wildlife watching

Afternoon delight: how to have a successful nap

If you are sleep-deprived, and need a healthy siesta, careful planning is key

Insomnia sufferers can benefit from therapy, new study shows

Authors call for cognitive behavioural therapy to be offered through GPs

You think you need a break? Compared to me, that’s nothing

‘I’m so tired my eyes feel like refrigerated plums. I need a holiday so badly, my rashes present as tan’

Government to issue ‘sleep hygiene’ guidance

Leaked draft says less than seven hours’ sleep can damage mental and physical health

The Gravity Blanket promises a ‘gentle, loving embrace’ – but will it help me sleep?

This 6kg weighted blanket is pricey, but feels magically dense. Lying beneath it is deeply comforting

A white-noise machine – will it help me sleep or just drown out the sound of sexy foxes?

Many people swear by the sleep-inducing qualities of white noise, but to me it feels like being trapped in an overheated computer

Why sleeptrackers could lead to the rise of insomnia – and orthosomnia

In our chronically sleep-deprived society, many are using gadgets and apps to measure the quantity and quality of their shut-eye. But they could be causing more harm than good

Sleep training: can night owls really learn to be morning larks?

Try as she might, our reporter can’t manage early nights and mornings. Yet new research now suggests that we can reset our body clocks