12. Taking Naps
There’s no need to fight off that bout of fatigue in the middle of the day. When Harvard University experts studied 24,000 subjects, they found that for both men and women, taking a nap in the middle of the day—even for just 30 minutes—slashed mortality risk by as much as one-third. And for more ways to stay well-rested, check out these 20 Nighttime Habits That Guarantee a Full Night’s Sleep.