Modern life has not changed sleeping patterns as much as some believehttp://www.economist.com/news/science-and-technology/21674491-modern-life-has-not-changed-sleeping-patterns-much-some-believe-now-i-lay-me?fsrc=scn/tw/te/pe/ed/nowilaymedowntosleep by smk11 • 11 years ago 2 1 11 years agoECeconomist.com