Are lie-ins bad for you?

Alarm Clock Bed

A study this month showed that sleeping more at weekends could raise the risk of diabetes and heart disease. So, should you really get up on a Sunday?

How sleep can affect your job prospects

Sleeping At Desk

From Napoleon Bonaparte and Margaret Thatcher to Twitter founder and Square, CEO Jack Dorsey and Yahoo! CEO Marissa Mayer, many successful leaders have claimed they only need 4-5 hours of precious sleep a night.