How to Stop Overthinking: A Therapist's Guide to Quieting Your Mind

If you've ever found yourself replaying a conversation from three days ago, mentally rehearsing every possible outcome of a situation that hasn't happened yet, or lying awake at 2am running through a to-do list that keeps growing — you know what overthinking feels like.

It's exhausting. And the harder you try to stop, the louder it gets.

Here's what most people don't realize: overthinking isn't a personality flaw or a sign that something is wrong with you. It's actually your brain trying to protect you. The problem is that it's working overtime in situations that don't require it and making your anxiety worse in the process.

As a therapist who works with a lot of high-achieving women, overthinking is one of the most common things I hear about. And there are real, practical tools that can help.

Why Overthinking Makes Anxiety Worse

When we overthink, we're usually caught in a loop of "what if" thoughts. What if I said the wrong thing? What if this doesn't work out? What if I'm not enough?

These thoughts feel urgent and important — like if we just think hard enough, we can solve the problem or prevent the bad thing from happening. But in reality, they're keeping our nervous system in a state of low-grade alarm. The anxiety fuels the thoughts, and the thoughts fuel the anxiety. Round and round.

This is where Cognitive Behavioral Therapy, or CBT, comes in. CBT is one of the most well-researched approaches to anxiety and overthinking, and it's built on a simple but powerful idea: our thoughts, feelings, and behaviors are all connected. Change one, and the others start to shift too.

Step 1: Notice the Thought

The first step sounds simple but is actually harder than it seems — just noticing when you're overthinking. Not judging it, not trying to stop it. Just observing it.

When you catch yourself spinning, try naming it: "I'm overthinking right now." That small act of awareness creates a tiny bit of distance between you and the thought. You're not the thought — you're the one noticing it.

Step 2: Examine the Thought

Once you've noticed it, get curious about it. Ask yourself:

• Is this thought actually true, or does it just feel true?

• What evidence do I have for and against it?

• Am I assuming the worst-case scenario is the most likely one?

• Would I say this thought to a friend who came to me with the same worry?

This is what we do in therapy — we look at the thought closely instead of just accepting it as fact. A lot of overthinking loses its power when you hold it up to the light and examine it.

Step 3: Find an Alternative Thought

This isn't about toxic positivity or telling yourself everything is fine when it isn't. It's about finding a thought that's more accurate and more helpful.

Instead of: "I completely embarrassed myself in that meeting and everyone thinks I'm incompetent."

Try: "I stumbled over my words in one moment. That doesn't define my entire performance or how people see me."

The alternative thought doesn't have to feel amazing. It just has to be more balanced than the original one. Over time, with practice, this starts to happen more automatically.

Step 4: When Your Brain Won't Cooperate, Use Your Body

Sometimes the overthinking is too loud and the cognitive tools just aren't landing. That's completely normal, especially when anxiety is high.

In those moments, the most useful thing you can do is shift your behavior first and let your mind follow.

Go for a walk. Call a friend. Do something with your hands. Get outside. Move your body in some way.

This isn't avoidance — it's using the mind-body connection intentionally. When you change what you're doing, you interrupt the thought loop and give your nervous system a chance to settle. Once you're calmer, the cognitive tools become much easier to use.

A Note on This Post

The tools above are meant to be educational — a starting point for understanding how overthinking works and what can help. They're not a substitute for therapy, and they're not meant to be.

If you've been living inside your own head for a long time, if the overthinking is affecting your relationships, your work, or your ability to sleep — that's worth taking seriously. These tools can help at the surface level, but therapy goes deeper. It helps you understand why your brain does this, what it's trying to protect you from, and how to actually change the pattern rather than just manage it.

Ready to Work on This Together?

If this resonated with you, I'd love to be a resource. I work with high-achieving women in Austin, TX who are tired of living in their heads and I'd be happy to chat about whether therapy might be a good fit.

I offer a free 15-minute consultation. No pressure, no commitment — just a conversation.

Schedule a Free Consultation