The demands of the working day and our 24-hour economy mean many of us don't get the recommended seven to eight hours sleep a night.

Experts say all that sleep deprivation comes at an economic cost. Manuela Saragosa looks at the business case for sleep. Contributors: Danielle Marchant, Executive Coach. Matthew Walker, Professor of Neuroscience and Psychology at the University of California, Berkeley, and founder and director of the Center for Human Sleep Science.

(Picture: Tired young businessman sleeping on his desk inside of the office during the day; Credit: PeopleImages/Getty Images)