Our floodlit society has made sleep deprivation a lifestyle. But we know more than ever about how we rest—and how it keeps us healthy. Joe Diemand, 76, has spent the past 20 years as a truck ...

Those chart gaps seem to jibe with previous remarks the billionaire has made about his sleep habits in years prior ... in a state of rage-fueled sleep deprivation, and now we're all suffering ...

The prevalence of sleep deprivation among younger children was similar to that of adults in recent years, with more than one-third of children getting fewer hours than recommended. The CDC data ...