The shorter your sleep, the shorter your life: the new sleep science
(WorldNews Health)

Matthew Walker has learned to dread the question `What do you do?` At parties, it signals the end of his evening; thereafter, his new acquaintance will inevitably cling to him like ivy. On an aeroplane, it usually means that while everyone else watches movies or reads a thriller, he will find himself running an hours-long salon for the benefit of passengers and crew alike. `I´ve begun to lie,` he says. `Seriously. I just tell people I´m a dolphin trainer. It´s better for everyone.` Walker is a sleep scientist. To be specific, he is the director of the Center for Human Sleep Science at the University of California, Berkeley, a research institute whose goal - possibly unachievable - is to...