7 Hours of Sleep Is Best, New Research Suggests

Seven hours of sleep is the best, new research suggests, and more than eight is "hazardous" to health.

In an age where we're busier than ever and bombarded with information 24/7, many of us complain we don't get enough sleep.

But getting too much shut-eye could actually be bad for your health, an expert has warned.

'The lowest mortality and morbidity is with seven hours,' says Shawn Youngstedt, a professor at Arizona State University Phoenix who studies sleep duration. Read more