By Nancy Shute
People working more than one job or working more than 40 hours a week are sleeping less than most. Divorced and separated people are short on sleep, too, while working the night shift can wreck your sleep habits and hurt your health.
By Cristina Quinn
Paper is everywhere — in your coffeemaker, on your desk, in the recycling bin. But what if it could save lives? One Cambridge company thinks a slip of paper holds the answer to diagnosing illness cheaply, anywhere.