The hour after class, when the flat goes quiet

There is a particular hour that shows up on a platform like this, and once you have noticed it you cannot stop. Late evening, local time, wherever the person happens to be. A room that is obviously not a family home: a desk pushed under a window, a laminate wardrobe, a poster stuck to the wall with tape, the kind of room a university rents out by the term. Somebody who has been operating in their second language since nine in the morning and would quite like to stop working now.

The word for this is homesickness and the word is misleading. Very few of the people I have talked to in that hour are pining for a place. What they describe is the absence of a specific kind of talk — the pointless kind. The exchange in a shop queue. The thing you say about the weather to a neighbour you do not know the name of. Nobody warns you that moving abroad deletes small talk first. The deep conversations survive, because you can still have those with the friends you already had, but the low-stakes chatter that fills the gaps in an ordinary day disappears completely, and it turns out that most of a day is gaps.

There is also a fatigue nobody budgets for. Following a two-hour seminar in a language you learned in a classroom is work, and it does not clock off when the seminar does. It carries on through the group chat, the supermarket, the tenancy agreement, the receptionist at the doctor. By evening a lot of students are not lonely so much as tired of performing competence, and what they want is a conversation where being wrong costs nothing at all.

Calling home would seem to solve it, and frequently it does not. The time difference means the people you want are asleep while you are free, so the call becomes an appointment, and appointments come with an agenda. There is a version of yourself that gets presented on those calls — eating properly, course is fine, flat is fine — because the alternative is a parent worrying from four thousand miles away about something they cannot do anything about. Reassuring your family is a job. It is not the same as being off duty.

What a call with a stranger gives you is somebody awake right now who does not know you. No history to update, nobody to reassure, and nothing you say becomes a family concern by Sunday. You can be unimpressive with a stranger in a way you cannot be with your mother. And because they are somewhere else entirely, the conversation tends to be about somewhere else — what time it is there, what they are eating, whether it is raining — which is precisely the pointless register that went missing.

Occasionally the match lands on somebody from your region and you get twenty minutes in your first language. The students I have heard talk about it describe that switch as the best part of their week, which sounds like an exaggeration until you have gone a month without it. If you want to make it likelier, the useful thing to know is that the crowd online moves with the clock: match during the evening of the time zone you came from rather than the one you live in, and the mix shifts noticeably.

Being straight about the limits: it does not build you a local circle, and it can quietly postpone building one, because it is easier than the seminar coffee you keep not going to. Twenty minutes with a stranger is a bridge, not a destination. On a bad night, hunting for a conversation that matches one very specific feeling usually fails outright — you end up skipping thirty people looking for something that was never going to be on the other end of a random match, and that mechanical skipping is itself the signal to stop. And if the weight is heavier than a quiet flat and a long week, every university has a counselling service, and this is exactly what they are there for.

The students who seem to use it well treat it as punctuation rather than as an evening. Twenty minutes at the end of a study block, headphones on, then back to the work or to bed. Not instead of sleep, which is the trap — the small hours are when the platform fills up with people who also cannot sleep, and that is a loop worth staying out of on a night before a nine o'clock lecture.

A small practical thing, since a lot of these calls happen in rented rooms with hard floors and no curtains: bare walls are what make a microphone sound hollow, and fixing that rarely needs anything you do not already own. If people keep asking you to repeat yourself, check the room before you conclude the problem is your English.

The realistic outcome here is modest, and still worth having. You speak out loud, in a low-stakes way, to somebody who is glad you turned up, about nothing in particular. Then you go back to the desk under the window. The flat is a little less quiet than it was an hour ago, and on some evenings during a first term abroad, that is the entire thing you were looking for.