How to Stop Overthinking

When your mind won't stop spinning, here's how to break the cycle and find some peace.

What Overthinking Actually Is

Overthinking is the habit of going over the same thoughts repeatedly without reaching a conclusion or solution.

It comes in two forms: rumination (dwelling on the past) and worry (catastrophising about the future).

It feels productive — like you're problem-solving — but it actually keeps you stuck.

Everyone overthinks occasionally. It becomes a problem when it's constant, distressing, or interferes with daily life.

Why Your Brain Does This

Your brain is trying to protect you by anticipating threats and reviewing past experiences for 'lessons'.

Anxiety fuels overthinking: the more anxious you feel, the more your brain searches for danger.

Perfectionism drives it: if you can just think enough, you'll find the 'right' answer or avoid making a mistake.

Lack of distraction or activity gives your brain space to spiral — this is why nights and quiet moments are the worst.

It can become a habit loop: uncertainty triggers overthinking, which provides temporary (false) relief, which reinforces the habit.

Breaking the Cycle

Set a worry timer: Give yourself 15 minutes to think about the problem, then deliberately stop.

Write it down: Getting thoughts out of your head and onto paper reduces their power.

Ask yourself: 'Can I do something about this right now?' If yes, do it. If no, let it go.

Ground yourself: Focus on what you can see, hear, feel, smell, and taste right now.

Move your body: Physical activity interrupts the thinking loop and burns off anxious energy.

Talk it through: Sometimes saying your thoughts aloud to someone reveals how distorted they've become.

Long-Term Strategies

Mindfulness meditation trains your brain to observe thoughts without engaging with them.

CBT helps you identify and challenge the thinking patterns that fuel overthinking.

Regular exercise, adequate sleep, and limited caffeine all reduce the brain's tendency to spiral.

Accept uncertainty: the need for certainty is what drives most overthinking. Practise tolerating 'not knowing.'

If overthinking is constant and debilitating, it may be a symptom of anxiety, OCD, or depression — speak to your GP.

Educational self-help, not a diagnosis, treatment or crisis service. If you are in immediate danger, call 999. For UK listening support, call Samaritans on 116 123 or text SHOUT to 85258.

These guides are free to read without an account. Optional free membership gives you full access to save progress and take part in peer conversations. Donations are optional.

Explore more free guides · Practical wellbeing tools