More than one in three people sleep less than seven hours a night. That's the minimum that's recommended by the American Academy of Sleep Medicine. But Tricia Hersey, founder of The Nap Ministry, says rest isn't just necessary: It can be revolutionary.
Since the 1960s, Atlanta has added an additional 22 days of the year where the temperature reached as high as 90 degrees. Two researchers from Spelman College are leading a citywide study into which Atlanta neighborhoods get the hottest, which stay cooler and who lives where.
