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Familiar: you are lying in bed and your head will not stop. You replay a conversation, or imagine ten scenarios that could go wrong. Overthinking pretends to be solving something — in reality it only sustains the tension. The good news: you can get out of it, and it is a learnable skill. Let's look at why your head spins, and what you can do about it tonight.

What happens when you overthink?

Overthinking has two main forms. Rumination looks backwards: "what did I get wrong, what should I have said". Worry looks forwards: "what if it goes badly". What both share is that they go in circles — repeating the same questions without leading to a decision or a step. Your brain believes it is working on the problem, so it will not let go; meanwhile it is only exercising the anxiety.

Overthinking or problem-solving? A simple test

Not all thinking is overthinking — sometimes you genuinely have to work on a decision. The difference is direction. Problem-solving moves forward: it poses a question, seeks an answer, and ends with a step. Overthinking goes in circles. Ask yourself: "after ten minutes of thinking, am I closer to a decision, or just more tense?" If the latter, it is time to get out.

7 techniques that genuinely stop it

1. Brain dump — empty your head. Write down everything that is spinning, unfiltered. The swirl becomes a concrete, workable list, and many thoughts look immediately smaller on paper.
2. Ask the step question. "Is there something I can do right now?" If yes, do that. If not, further thinking is not work but rumination.
3. Schedule worry time. Give the thought a 15-minute window later in the day. When it comes up in between, remind yourself: "I will deal with this at six." It works surprisingly well.
4. Name the thought. "This is a worried thought", not "this is reality". Naming creates a small distance between you and the thought, and reduces its power.
5. Come back to the body. Slow, long exhalation, a short walk, or noticing your five senses pulls you out of your head into the present. Rumination cannot run alongside physical presence.
6. Swap "what if" for "what will I do if". Instead of the catastrophe scenario, make a plan for it. Uncertainty is less frightening once you have an answer for it.
7. Close the day in writing. An evening reflection — open loops, tomorrow's tasks — lifts the burden of standing guard off your head before you go to bed.

Why writing works

When a thought circles in your head it has no beginning and no end — it only repeats. As soon as you write it down, two things happen: it is fixed (you no longer have to "guard" it), and it becomes visible (you can review it, prioritise it, turn it into action). Research indicates that naming and writing down emotions measurably reduces their intensity. So the simplest way out of overthinking is not "stop thinking about it" — it is writing it out.

When it is more than overthinking

Occasional rumination is normal. But if the spinning lasts for weeks, takes away your sleep, your concentration or your daily functioning, it goes beyond one bad evening. Persistent, uncontrollable rumination is a common companion of anxiety and depression — and then a professional is the right step. The techniques described here support you, but they do not replace therapy.

Frequently asked questions

What is overthinking?

Turning the same thought or situation over repeatedly without getting closer to a solution. Two forms: rumination (the past) and worry (the future). Both feel like problem-solving while only sustaining tension.

How do I stop overthinking?

Get the thought out of your head: a brain dump turns the swirl into a concrete list. Then ask whether there is a step you can take now — if yes, do it; if not, deliberately postpone the thinking. A physical anchor into the present helps too.

What is the difference between overthinking and problem-solving?

Problem-solving moves forward and ends in a decision or a step. Overthinking circles without an answer. Test: after ten minutes, are you closer to a decision, or just more tense?

Why do I overthink at night?

Fewer distractions in the evening let the day's unfiled thoughts surface, and a tired brain regulates emotion less well. An evening wind-down routine — open loops and tomorrow's tasks written out — helps a great deal.

Is overthinking an illness?

In itself it is a normal human phenomenon. But persistent, uncontrollable rumination is a common companion of anxiety and depressive disorders. If it lasts weeks and affects sleep or functioning, see a professional.

Does journaling help?

Yes. A written thought leaves the loop and becomes visible and orderable, and naming emotions reduces their intensity. A self-knowledge journal additionally shows which situations set your rumination off.