How to stop overthinking with a simple trick that actually works

If you’ve ever Googled “how to stop overthinking” at midnight while your brain runs through every possible way tomorrow could go wrong, you are not alone, and you are not broken.

Overthinking is one of the most exhausting things a human brain can do. You go over the same scenario again and again, looking for certainty that never quite comes. The what-ifs stack up. Sleep goes out the window. And by morning, you’re worn out before the day has even started.

So why does your brain do this? And, more importantly, is there anything that actually helps?

Your brain Is trying to protect you

Overthinking isn’t a flaw. It’s your brain doing its best impression of problem-solving. It’s scanning for danger, trying to prepare you for every outcome. The trouble is, it’s doing this for things that haven’t happened yet, and probably never will.

When worry is about something you genuinely cannot control right now (a health scare, a relationship, what someone might think of you), no amount of thinking will give you the answer your brain is looking for. So it just keeps going.

Try naming the story

One of the most effective tools from a therapy approach called ACT (Acceptance and Commitment Therapy) is something called cognitive diffusion, and it sounds simple because it is.

Instead of getting pulled into the thought, you just name it. Out loud or in your head:

• “I’m having the thought that I’m going to mess this up.”
• “My brain is running the ‘something bad will happen’ story again.”
• “There’s the overthinking spiral, hello again.”

You’re not trying to make the thought disappear. You’re just stepping back from it, creating a little space between you and the worry. And that tiny shift can make a real difference.

Why does it work?

When you’re deep in an overthinking spiral, the thought feels like fact. Naming it reminds you that it’s just a thought, not a prediction, not evidence, not the truth.

Try putting the phrase “I’m having the thought that…” in front of your next worry and notice what happens. It takes about ten seconds. And it’s one of the most quietly powerful tools for learning how to stop overthinking when your brain won’t let go.

One more thing

You don’t have to win the argument with your mind. You don’t have to convince yourself everything will be fine. You just need a slightly different response to what your brain is doing, and that’s a skill anyone can learn.

If this resonates with you, listen to my recent episode of Don’t Get a Therapist Yet!, where we go through this technique (and four others) in a really accessible way.