You want this day to end. You want to put it behind you. Starting right now. That's smart, to be sure, except if there's something specific that's bugging you.
In a 2010 study in the journal Consciousness and Cognition, people who were instructed to suppress a distressing thought prior to going to bed were more likely to dream about it, a phenomenon called "dream rebound." The lesson: It's okay to invite negative thoughts into your head. Simply acknowledging what happened or why you were angry and upset before sleep could be the ticket to sweet dreams—and a less grumpy tomorrow.
