Self-care is gaining popularity and attention across the board. While some debate how much caring for oneself is too much, the fact remains that more and more people, from overworked employees to sleep-deprived parents to school-weary teens, are beginning to realize just how much daily life demands of us, and that we can’t pour from an empty cup.

The same is true for writers. We often get so focused on producing results that we don’t take the time to make sure we’re refilling our cup. When we...