The problem with being told to draw when you feel terrible is that a blank page asks you a question. What do you want to make? At the point where you are looking for something to do with your hands at ten at night, that question is exactly the one you cannot answer.
So the useful list is not of subjects that suit a mood. It is of things that require as few decisions as possible.
1. Whatever is already in front of you, badly, for ten minutes

A mug. The plant on the windowsill. Your own left hand. A pair of shoes by the door.
The point is not the drawing. The point is that observing something closely enough to draw it occupies the exact part of your attention that has been running the same three thoughts on a loop. You cannot look carefully at the handle of a mug and continue an argument in your head at the same time. That is the whole mechanism, and it works whether or not the drawing is any good.
Ten minutes, and it is allowed to be bad. Set a timer if that helps you stop, and put it somewhere you will not look at it again.
2. The same object, once a day
Pick something ordinary and draw it again tomorrow, and the day after. The same mug, the same chair.
This one does something the single drawing does not. It gives you a small structure attached to a time of day, which is a modest but genuine anchor when the days have lost their shape. You are not deciding what to draw, only sitting down to do the thing you already decided. And after a fortnight you have a stack of drawings of one mug that are visibly different from each other, which is a quiet record that the days were not identical after all.
3. Something repetitive that fills a page
Hatching. Cross-hatching. Concentric circles. A page divided into squares, each one filled with a different pattern. Anything where the next move is obvious and there are several hundred of them.
Repetitive mark-making is the drawing equivalent of walking. It occupies the hands and enough of the mind, requires no judgment at all, and can be stopped at any point without anything being unfinished. Some people find it the only thing they can do at first, and there is nothing lesser about it.
4. A place, from memory, wrongly
A kitchen you grew up in. The route to a school. A room in a house that no longer exists.
Drawing from memory does not have to be accurate to be worth doing, and it will not be accurate, because memory does not store rooms. What comes out is the bits that mattered, which is more interesting than a correct drawing would be. This one is not for everybody on every day, so put it down if it is the wrong sort of hard.
What we would leave off the list, gently: their face, and anything to do with them. Plenty of people try it. It tends to turn a two-hour occupation into two hours of rehearsing the thing you were trying to get away from.
5. Something where every decision is already made
Which is where a numbered canvas comes in, and it would be dishonest not to say that we sell them.
The reason it belongs on this list is structural rather than sentimental. Freehand painting carries constant decisions: what to paint, how to arrange it, what color that shadow is, whether it is finished. A numbered canvas removes all of them and leaves one small, clearly bounded task at a time, repeated for hours. There is nothing to choose and nothing to get wrong, and at the end there is an object that was not there before.
That is a specific kind of useful when your capacity for decisions is low. Our own reviewers reach for words like calm and focused more than any other, often describing it in comparison to an evening of scrolling — which is the other thing people do at ten at night, and which leaves nothing behind.
If you go this route, two practical suggestions. Choose a design with broad, simple areas rather than dense fine detail, because fiddly work is frustrating rather than absorbing when you are already worn out. And choose the subject on instinct rather than on what you think you should like. You can see the range in the full collection, and our beginner's guide covers getting started if you have not done one.
What actually helps, and what does not
Lower the stakes. Cheap paper, a pencil you do not care about, and permission for it to be bad. A good sketchbook is intimidating in a way a stack of printer paper is not.
Do not start something big. An ambitious project you abandon in three days becomes one more thing you failed at, which is the opposite of the point.
Put on something to listen to. An audiobook, a podcast, a familiar record. The hands are busy and the mind wants a track to run on that is not its own.
Sit somewhere with decent light. Not a small thing. Working badly lit at a low table gets uncomfortable within the hour, and physical discomfort is the usual reason people stop before the absorption arrives.
Do not expect it to fix anything. This is the honest part. Drawing will not resolve what happened. What it does is give you a way to get through an evening that leaves you slightly better off than the same evening spent otherwise. That is a modest claim and it is the true one.
If it is more than a bad few weeks
Grief and heartbreak have their own timetable and mostly they need time rather than advice. But if you have felt this way for a long stretch, or you are not sleeping or eating, or you cannot see it changing, that is worth a conversation with a doctor or someone you trust. Drawing is a good way to spend an evening. It is not a treatment, and we are not going to pretend it is.
If you want to see what other people have made, without any of it being professional or intimidating, the customer gallery is a decent place to spend ten minutes.