Health

The hazards of living on the right side of a time zone border

The sun both rises and sets later in the western parts of time zones, by about an hour at the extremes. If sunrise in Nashville, Tennessee is 6:30 a.m., it's about 7:30 a.m. in Amarillo, Texas. Similarly, if sunset in Nashville ...

Neuroscience

Lack of sleep could cause mood disorders in teens

Chronic sleep deprivation—which can involve staying up late, and waking up early for work or school—has become a way of life for both kids and adults, especially with the increasing use of phones and tablets late into ...

Health

Regular bedtimes stop children getting 'jet lag'

What happens in the early years of a person's life has a profound effect on how they fare later on. Thousands of research papers – many of them using the rich data in the British Birth Cohort studies – have shown that ...