Researchers looked at the way circadian rhythm — the body’s internal clock — affects the outcomes of a patient recovering from a complex heart procedure.
Modern lifestyles are at war with the way our bodies evolved to function.
By breeding flies, a scientist hopes to discover more about the genes that affect sleep, and use what she learns to help give humans a good night's rest.
A Martian day is 40 minutes longer than a day on Earth—a seemingly small difference that adds up quickly.
Schools in the US and beyond are right to consider a later start time for teenage students given growing evidence about adolescent body clocks, says Russell Foster. To read this login with username firstname.lastname@example.org, password: 22aggs
Want to beat the boss at golf? Schedule your round for 2.30 this afternoon—your co-ordination will be at its sharpest. For an accurate reading of your blood pressure, get it checked at 6.30PM. Read this article while at school and you'll get free access.
You have not one, but thousands or even millions of body clocks. Learn to control them, and you can tackle problems from jet lag to weight loss
Our species has declared war on the night and sleep has been the victim.
This offers one pathway to explain a Pandora’s box of possible adverse health effects from aspects of modern life
How do Scandinavians deal with long, dark winters? And what might this teach us about the relationship between our moods and sunlight? By Linda Geddes.
Solving sleep problems and groggy mornings can be as simple as a couple of nights in the bush under canvas.