Sometimes, before we go to sleep, we can't help but think about what we need to do the next day. A lot of times, we might also think about the problems we encountered during the day. This overthinking can often decrease sleep quality. If one of your problems is that you're feeling tired all the time, here's an article you can read to help.
Journaling helps you to be more rational and organized. Write about the problem you experienced during the day and write down some suggested solutions. That way, you'll be assured that you are actively doing something to solve your issues, and you already know that you're on your way to fixing it.