We have all had a poor night’s sleep and then tried to make up for it the following day—perhaps by going to bed much earlier or squeezing in an afternoon nap. But research suggests these common sleep “fixes” may not be effective. Instead, experts say people should focus on the so‑called 7:1 rule, a habit that has been linked to improved health and longevity. According to a Gallup poll, a majority of U.S. adults, 57 percent, say they would feel better if they got more sleep. Newsweek spoke to