Night owls, or people who have a hard time waking up in the morning, face health risks as a result.
Pity the poor night owls of the world, who already must adjust to a life that doesn't align with their natural sleep patterns. Now it appears that being a night owl even raises the risk of death.
Science shows that early starts can be bad for teenagers' health. Schools and universities would be better off starting at 10am.
Salting streets in Milwaukee.
A recent study shows plankton that have adapted to road salt have disrupted circadian rhythms. This finding suggests that environmental pollutants could also affect human circadian clocks.
We’re less able to burn fat and process carbs at night.
It comes down to what and how much you eat over the day, rather than when you eat most of your food.
Managing sleep and time zones can take the fun out of Christmas travel.
Step-by-step travel tips - including how to use those fancy blue light goggles - if you're travelling East to West, or West to East these holidays.
Children with an irregular bedtime performed worse on cognitive tests, had worse behaviour and were more likely to be obese than others.
Though not this obvious from the outside, plants are keeping time.
Precisely calibrated timekeepers are found in organisms from all domains of life. Biologists are studying how they influence plant/pathogen interactions – what they learn could lead to human medicines.