You cannot go to bed while there are dishes in the sink. The clothes piled on the chair bother you. You tidy the kitchen at one in the morning, exhausted, just so it is done. If you recognise yourself in this - psychology says it is almost never perfectionism.

Psychologist Sara Navarrete puts it plainly: tidying is "a way of trying to calm something happening inside us". When it is chaos outside - work, worries, mental fatigue, anxiety - a person looks for a small space where they still get to decide. The cupboard is that space. The drawer is that space.

The key point is that external order "works as a way of regulating the inner world". The home becomes a mirror: if things around me are in order, then I am in order too. That is a projection, not a fact - but the brain accepts it.

And why does the brain respond to this at all? Because it needs a certain sense of predictability to feel safe. Order sends a signal of stability and structure. That is exactly why in the hardest phases - a break-up, pressure at work, a major change - people start obsessing over small things. They control the visible because they cannot control what matters.

There is also a part that is harder to read. People who react most sharply to mess often grew up in an emotionally unpredictable environment, or in homes with a lot of tension. Tidying was the only security available to them. That is not a habit - it is an old defence that is still running.

The problem starts when calm depends on perfection. At that point order stops being a tool and becomes a condition. Navarrete puts it sharply: "The person no longer has order serving them. The person serves the order." The relief is short-lived, because the anxiety returns the second something gets moved again.

When is it time to look more seriously? When there is real anxiety if you do not get around to cleaning. When there is a feeling that something bad will happen if the ritual is not performed. When tidying swallows a large part of the day and causes suffering. When it makes you argue with your family. When you cannot relax if something has been moved.

The solution is not mess. The solution is flexibility - order that improves life rather than being the centre of it. Navarrete suggests two questions worth more than any technique: am I tidying because I enjoy it, or because I cannot stand feeling out of control? And: can I relax if something has been moved?

Her conclusion is a sentence worth remembering. Real peace does not come when everything is perfect, but when you are all right when it is not.