The Willpower Instinct: How Self-Control Works, Why It Matters, and What You Can Do To Get More of It

by Kelly McGonigal

If you are chronically sleep deprived, you may find yourself feeling regret at the end of the day, wondering why you gave in again to temptation or put off doing what you needed to do. It’s easy to let this spiral into shame and guilt. It hardly ever occurs to us that we don’t need to become better people, but to become better rested.