How to Stop Overthinking: 6 CBT-Backed Steps That Actually Help

If your brain keeps replaying conversations, imagining what could go wrong or refusing to switch off at bedtime, you may be wondering how to stop overthinking. You don’t have to force every thought away. Instead, you can learn to notice the loop, decide whether it needs action or care, and bring your attention back to what matters now. These six practical, CBT-informed steps are a place to start.

Why does overthinking happen?

Your mind may be trying to protect you. It scans for possible problems and tries to find a way to prevent them. That can help when there’s a clear issue to solve, but repeatedly analysing something without reaching a decision can leave you more stuck.

Rumination is often replaying the past (“Why did I say that?”), while worry tends to focus on a possible future (“What if it goes wrong?”). Both can feel like problem-solving, but the key question is whether thinking is helping you choose a useful next step. If it isn’t, it may be time to shift your attention.

How to stop overthinking: 6 practical CBT-backed steps

1. Notice and name the thought loop

When thoughts feel urgent, it’s easy to treat them as facts or instructions. Naming what’s happening can create a little space between you and the thought. This isn’t about criticising yourself or pretending you feel fine; it’s simply recognising a mental habit as it appears.

You might say, “I’m replaying that conversation,” or, “I’m having a what-if thought.” If you notice the same question circling without new information, gently label it as a loop and return your attention to the activity in front of you.

Try this: When you catch yourself overthinking, pause and say, “I notice my mind is trying to solve this again.” Then name one thing you can see, hear or feel.

2. Give worry a set time

Trying to banish a worry can make it feel even louder. A scheduled “worry window” gives you a planned time to write down what’s on your mind, rather than following every worry throughout the day. You could start with five minutes at a consistent time; if you need longer, you can adjust. Avoid placing it just before bed if it tends to leave you more alert.

When a worry appears outside that window, jot down a few words and remind yourself you can return to it later. The NHS guide to tackling worries offers a similar approach.

Try this: Put a five-minute worry window in your diary. At the end, mark each worry as either something you can act on or something you can’t resolve right now.

3. Ask: “Is this a problem to solve or a feeling to feel?”

Some worries point to a practical issue: you need to send an email, make a decision or ask for help. Others are about uncertainty, disappointment, embarrassment or fear. Thinking harder may not remove those feelings, and feelings don’t always need to be fixed before you can carry on.

If there’s a practical problem, define it clearly and choose a manageable next step. If what’s happening is an emotion, try making room for it without treating it as proof that something bad will happen. “I feel anxious” is different from “I am in danger.”

Try this: Ask the sorting question and complete one sentence: “The practical step is…” or “The feeling I’m noticing is…”.

4. Catch thinking traps with a thought record

When you’re caught in a loop, your thoughts can sound more certain than the evidence supports. A brief thought record helps you slow down and look at the situation from more than one angle. It’s not about replacing a negative thought with forced positivity; it’s about finding a more balanced view.

For example, catastrophising turns a difficult possibility into the worst-case outcome: “I made a mistake, so I’ll lose my job.” All-or-nothing thinking treats things as total success or failure: “If I wasn’t perfect, I’ve failed.” Ask what supports the thought, what doesn’t, and what you might say to a friend in the same situation.

The NHS thought record exercise walks through the process.

Try this: Write down the situation, your first thought, how you felt, evidence for and against the thought, and a fairer alternative. Then ask whether there’s one action to take.

5. Use a breathing space or grounding when the spiral starts

When you’re overwhelmed, it can be hard to reason your way out of the loop. A short pause can help you notice what’s happening and reconnect with the present. In a three-minute breathing space, first notice your thoughts, feelings and body sensations. Then gently focus on your breath. Finally, widen your attention to your whole body and surroundings.

If focusing on your breath doesn’t feel comfortable, try grounding instead. Notice the contact between your feet and the floor, or name a few things you can see and hear. The aim isn’t to make thoughts disappear; it’s to give your attention somewhere else to rest.

Try this: Set a timer for three minutes. Notice what’s going on, follow a few natural breaths, then name five things you can see around you.

6. Take one small action instead of thinking it through

Overthinking can delay the very step that might give you useful information or help you feel more capable. You don’t need a complete plan. Choose one specific, manageable action that moves you towards what matters, even if you still feel uncertain.

That might mean drafting the first line of an email, checking one fact, asking a trusted person a clear question, or setting a time to make a decision. Afterwards, notice what you learned. The goal is not to guarantee a perfect result; it’s to practise responding rather than endlessly rehearsing.

Try this: Ask, “What is the smallest useful thing I can do in the next ten minutes?” Do that, then reassess.

How to stop overthinking at night

At 3am, problems can feel bigger, and tiredness can make it harder to see another perspective. If you’re working out how to stop overthinking at night, keep the goal gentle: you’re aiming to rest, not to force sleep or solve your life in the dark.

Keep a notebook nearby and write down the thought and any practical next step for tomorrow. Remind yourself that you can return to it in daylight. Try a slow breathing space or grounding exercise, and avoid checking the time repeatedly if you can. If you’re still awake and becoming frustrated, you might get up briefly for a quiet activity in low light, then return to bed when you feel sleepy.

Overthinking in relationships or at work

After a difficult conversation or meeting, it’s natural to wonder how things went. But repeatedly analysing someone’s tone or imagining what they think of you may increase uncertainty rather than resolve it. Try separating what you know from what you’re guessing. If something needs clarification, consider asking directly and calmly; if not, use one of the steps above to step out of the replay.

People sometimes use the phrase high functioning anxiety to describe appearing capable while feeling persistently anxious inside. It isn’t a formal diagnosis, but if worry is taking a toll, you deserve support even if you’re still managing day-to-day responsibilities.

When overthinking becomes a problem

Consider speaking to someone if worry or rumination is difficult to control, regularly disrupts your sleep, affects relationships or work, or comes alongside persistent low mood, loss of interest or difficulty managing everyday life. You don’t need to wait until things feel unbearable.

A GP can discuss what’s happening and help you explore support. In Scotland, call NHS 24 on 111 for urgent health advice. Breathing Space offers support on 0800 83 85 87. You can call Samaritans on 116 123 for someone to listen. If you may harm yourself or cannot stay safe, call 999 or go to A&E.

CBT explores links between thoughts, feelings and behaviour, and can help you practise different ways of responding to unhelpful patterns. These overthinking CBT strategies can be useful to try, but they won’t suit everyone. Find out more about CBT and other therapy approaches at Get-Unstuck.

Frequently asked questions

How do I stop overthinking at night?

Write down the thought and any practical step for tomorrow, then remind yourself you can return to it in daylight. Try a short breathing or grounding exercise, and avoid clock-watching if possible. If you’re getting more frustrated in bed, a quiet activity in low light may help you feel ready to return.

Is overthinking a mental illness?

Overthinking itself isn’t a diagnosis. It can happen during stressful periods, or alongside difficulties such as anxiety or low mood. If repetitive thoughts are hard to manage or are affecting sleep, work, relationships or daily life, a GP or mental health professional can help you explore what’s going on.

Does CBT help with overthinking?

CBT can help you notice links between thoughts, feelings and actions, and practise responding differently to unhelpful patterns. Thought records, scheduled worry time and small behavioural steps are examples. Outcomes vary, and a therapist can work with you to find strategies that fit your situation and needs.

How do I stop overthinking in a relationship?

First, separate what you know from what you’re assuming. If something important is unclear, consider a calm, direct conversation rather than repeatedly interpreting messages or replaying events. If there’s no useful action to take right now, try naming the loop and returning your attention to something meaningful.

Take the next step

You don’t have to work everything out before asking for support. If overthinking is affecting your life, you’re welcome to book a free initial consultation with Get-Unstuck Counselling and Therapy. Sessions are available in Glasgow City Centre, Giffnock and online across the UK. Joanne Kerr is a CBT therapist and BACP Registered Member; you can read more about her approach.

This article is general information and is not a substitute for personal therapy or medical advice.