The Connection Between Journaling and Better Sleep
You know the feeling. You're tired. You get into bed. And then your brain decides it's time to replay every awkward thing you've ever said, plus remind you about tomorrow's deadlines, plus revisit that conversation you should have handled differently three years ago. The problem isn't that you can't sleep. It's that your brain won't stop working.
Journaling before bed can help. And there's real science behind why.
The Baylor study on to-do lists and sleep
In 2018, researchers Michael Scullin and Donald Krueger at Baylor University ran a study that surprised a lot of people. They split participants into two groups before bedtime. One group spent five minutes writing about tasks they needed to do in the coming days. The other group spent five minutes writing about tasks they had already completed.
The to-do list group fell asleep significantly faster. Not by a little, by an average of nine minutes. For people who struggle with sleep onset, nine minutes is a lot. The more specific the to-do list, the faster people fell asleep.
The theory is straightforward. Unfinished tasks create what psychologists call the Zeigarnik effect: your brain holds onto incomplete items, cycling through them to make sure you don't forget. Writing them down tells your brain, “I've captured this. You can let go now.”
Worry-dumping works too
To-do lists aren't the only approach. Sometimes what keeps you awake isn't tasks. It's emotions. Anxiety about a relationship. Frustration from work. A vague sense of dread you can't quite name.
Writing those feelings down serves a similar function. Expressive writing research, going back to Pennebaker's work in the 1980s, consistently shows that putting worries into words reduces their emotional charge. You're not solving the problem. You're moving it from your head to the page, and that transfer is enough to quiet the mental noise.
A simple 5-minute bedtime routine
You don't need to write a lot. Five minutes is plenty. Here's a structure that works:
- 1 minute:Write down anything you need to do tomorrow. Be specific. Not “work stuff” but “email Sarah about the budget, review the draft proposal.”
- 2 minutes:Write about whatever is on your mind. Don't filter. If you're worried about something, say so. If you're annoyed, say that too.
- 2 minutes:Note one or two things from the day that were good. They don't have to be big. A meal you enjoyed. A moment of quiet.
That's it. You're not writing literature. You're clearing the queue so your brain can power down.
What about screens before bed?
Fair question. Blue light from screens can interfere with melatonin production. But most modern phones have night mode or warm-light settings that reduce this significantly. And I'd argue that five minutes of focused journaling on your phone is far better for sleep than five minutes of scrolling social media, which is what most of us are actually doing in bed anyway.
KindMind's dark mode and minimal interface are designed with exactly this kind of nighttime use in mind. Open it, write, close it, sleep.