‘Western society is chronically sleep deprived’: the importance of the body’s clock

The 2017 Nobel prize for medicine was awarded for the discovery of how our circadian rhythms are controlled. But what light does it shed on the cycle of life?

The Guardian view on the Nobel prize for medicine: about time

Editorial: The discovery of two interacting genes which make a body clock shared by all living things is a triumph that deserves its prize

‘Sleep should be prescribed’: what those late nights out could be costing you

Leading neuroscientist Matthew Walker on why sleep deprivation is increasing our risk of cancer, heart attack and Alzheimer’s – and what you can do about it

Why We Sleep by Matthew Walker review – how more sleep can save your life

A neuroscientist has found a revolutionary way of being cleverer, more attractive, slimmer, happier, healthier and of warding off cancer – a good night’s shut-eye

The real marker of adulthood is admitting you need sleep

A new report claims a good night’s rest is the route to happiness. And after years maintaining that going to bed was boring, I’ve finally succumbed to this modern obsession

Why teachers should make sleep a priority

Are you getting enough quality sleep? Here’s why it matters – and what you can do to get into a good routine

Can too little sleep ruin your relationship?

Lack of shut-eye has long been linked to a range of serious health problems. Now a study confirms that it can also be at the root of strife between couples

Sleep: how much do you really get?

It’s likely you have no real clue how much sleep you got last night, or how sleep-deprived you are right now

Lack of sleep could contribute to mental health problems, researchers reveal

Study finds therapy designed to treat insomnia also reduced paranoia and hallucinations, and improved depression and anxiety in patients

Disturbed sleep patterns may be key to ADHD, study finds

Research links disruption of body clock to number of chronic conditions