Angela asks whether there is any truth in the claims that stress can actually be good for us, with the help of a trio of people who have what is believed to be one of the most stressful jobs there is.

Steve Brown asks whether people really need eight hours sleep a night, and while millions can get by on a lot less, he meets one woman whose health is at risk after she has spent years sleeping for just three hours a night.

Kevin Duala explores the devastating impact exam stress can have on teens, visiting a college that is leading the way in helping students cope with the most stressful time of year. Show less