One of the most searched dream symbols in English, and one of the most misread. The dream is evidence that you have been thinking about them. It is not evidence about what they have been thinking.
If you are reading this because you dreamed about somebody you used to be with, and you want to know what it means about them, the answer is that it does not mean anything about them. That is worth saying at the start rather than three paragraphs down.
What the research supports is the continuity hypothesis: dream content tracks waking preoccupation. People appear in your dreams roughly in proportion to how much they occupy your thoughts, and that is the whole mechanism. A dream about a former partner is a fairly reliable indication that some part of your attention is still on them. It is not a signal sent from anywhere.
That is disappointing, and it is also more useful, because it is information you can act on. It tells you where your attention is, which you can examine, rather than what somebody else feels, which you cannot find out except by asking them.
The other thing worth knowing is that these dreams are extremely common and do not correlate with wanting the person back. People in happy relationships dream about former partners. People who ended it themselves dream about the person they left. The dream is not a verdict on your current life. See A dead relative and An old home for the same machinery pointed at other parts of the past.
The ordinary version is the most reported and the least dramatic: the ex is simply present, in an unremarkable setting, and the dream is about something else entirely. Dreamers frequently note that nothing happened.
Reconciliation dreams are common and are the ones people search for. The dreamer and the ex are back together, or are talking, and the feeling on waking is usually warmth mixed with something worse.
Arguing with an ex is at least as commonly reported, and is the mirror image of the same thing: a conversation that did not finish.
Being ignored by an ex, or seeing them with somebody else, is reported often and tends to arrive during periods of low confidence rather than during periods of longing.
Dreams featuring an ex from many years ago, where the dreamer has had several relationships since and feels nothing for the person, are extremely common, and are the strongest evidence that these dreams are about memory rather than about current feeling.
And there is the version where the ex appears but is somehow also somebody else. That is ordinary dream behaviour rather than a message.
The feeling on waking matters more than anything that happened in the dream, and it is usually not the feeling people expect.
The most commonly reported response is disorientation: a few minutes of not being sure which part of your life you are in. It fades, and is not significant in itself.
Where longing is reported, it is worth separating longing for the person from longing for who you were with them. Dreamers who sit with that often find it is the second, which is a different problem with a different answer.
Guilt and relief are both reported and both ordinary.
What is worth writing down is how long the feeling lasted. A dream that colours an hour and one that colours a week are telling you different things.
Freud's framework would treat a former partner as material available to the dream-work, and would look for the wish the figure was disguising rather than treating the person as themselves. In his system the manifest content is not the point, so an ex in a dream is not primarily about that ex at all.
Jung read figures in dreams two ways, and the distinction is useful here. Read on the objective level, the figure is the actual person. Read on the subjective level, every figure in a dream is an aspect of the dreamer, and the ex stands for something the dreamer carried in that relationship rather than for the person. Jung generally favoured the subjective reading for people no longer present in the dreamer's life.
Those are not the same claim and they should not be run together, which popular writing does constantly.
Contemporary practice has moved toward the continuity view, which is also what the evidence supports. Therapists working with these dreams tend to ask what the relationship represented and what is still unresolved for the dreamer, rather than what the appearance signifies.
This is the dream image where people most want the research to say something it does not say.
The continuity hypothesis is the relevant finding and it is well supported by decades of content analysis. Dream content tracks waking thought. People appear in dreams roughly in proportion to the attention they occupy while awake, and Domhoff's work with the Hall and Van de Castle norms found individual dream content to be strikingly stable and closely tied to the dreamer's own preoccupations. A former partner in a dream is a measurement of your attention, not a transmission.
Dream telepathy was genuinely investigated. The Maimonides dream laboratory in Brooklyn ran experiments through the 1960s and 1970s under Montague Ullman and Stanley Krippner and reported positive results. Later attempts by other researchers largely failed to replicate them, and the work is not accepted in the field. That is the honest position: somebody looked, and it did not hold up.
Dream content also draws on older autobiographical memory, which is why people from many years ago turn up with nothing current prompting it.
No research supports a dictionary reading of what an ex in a dream means. There is no measured meaning. That does not make the dream useless. It makes it information about you, which is the only kind you can act on.
Artemidorus, in the second century, read dreams of absent people against the dreamer's own circumstances and did not treat the appearance as contact from the person concerned.
Many traditions do treat dream visitation as real, and it is worth being precise about which. In a number of Indigenous Australian, North American and West African traditions, dreams are understood as a place where contact occurs, and the appropriate response is communal and ritual rather than interpretive.
Islamic tradition distinguishes types of dream, with the true dream, the dream from the self and the dream from Shaytan, and that classification does real work: not every dream is treated as meaningful.
The modern English-language idea that dreaming about somebody means they are thinking of you is folk belief with no tradition behind it and no evidence in front of it. It is not ancient wisdom. It circulates because it is what people want to be told, which is a different reason for a belief to survive.
This is the section people arrive for, so it is worth being direct.
A dream about a former partner does not indicate that they miss you, that they are about to contact you, or that the relationship should resume. It cannot indicate any of those. Dreams are generated by one brain, and it is yours.
What the dream does reliably indicate is that they still occupy some of your attention. That is not the same as wanting them back. Attention lingers on unfinished things, on periods of life, and on people you have no wish to see again.
If you are in a relationship now and dreaming about an ex, that is common, not a betrayal, and not a diagnosis of your present relationship. See An old home.
There is a work version of this dream and it is under-discussed: former colleagues, former managers, old workplaces, appearing with no current connection to any of them.
It follows the same rule. The people who show up are the ones your attention has been on, and old workplaces carry the same memory weight as old relationships, particularly if you left in difficult circumstances.
Dreams of a former manager are reported often during periods of new pressure at work, which suggests the dream is reaching for a stored template of a similar situation rather than commenting on the person.
That is the useful reading here. Not what does this person mean, but what situation from then resembles the situation now. That question has an answer you can check. See Being lost.
Recurring dreams about a former partner are very common, and their frequency tracks how much of your waking thought the person still takes up. As that decreases, the dreams generally become less frequent.
If they are not decreasing, something remains unfinished, and it is more likely unfinished inside you than between the two of you. That matters, because one of those you can work on without them.
It is worth stating plainly that the persistence of the dream is not a sign you are meant to be together. There is no mechanism by which it could be, and reading it that way keeps people waiting.
Recurrent dreams are associated with stress across studied groups and ease as circumstances change. If these are costing you sleep, or you are struggling with the loss, a therapist is a reasonable thing to want. Only you can say how much this is affecting you.
These dreams turn distressing more often than the dictionaries acknowledge, and the distress is usually not fear. It is grief, or humiliation, or the particular unpleasantness of waking up having briefly had something back.
Where the relationship involved abuse or serious harm, dreams about the person afterwards are common and are a recognised response to frightening experiences. That is an association rather than a diagnosis, and it is a good reason to talk to somebody qualified.
The standard measures apply: regular sleep timing, less alcohol before bed. For nightmares that repeat, imagery rehearsal therapy has reasonable evidence behind it.
If these dreams are frequent, costing you sleep, or connected to a relationship that harmed you, speak to a clinician or a therapist. That is a referral and not an assessment of anything.
Artemidorus, in the second-century Oneirocritica, handles dreams of specific people at length and reads them against the dreamer's own situation rather than as messages from the person concerned.
Medieval European dream theory was mainly occupied with whether a dream came from God, from the body or from a demon, and a dream of an absent person could be classified under any of the three. The question was the source rather than the symbolism.
The Victorian penny dictionaries produced brisk entries about lovers and former sweethearts, generally predicting either a reconciliation or a rival, and they sold extremely well on exactly that.
Freud's The Interpretation of Dreams (1899) moved the whole question inside the dreamer, which is the shift that matters here. Whatever else he got wrong, that premise is the one modern research has confirmed: the dream is made by the person having it, out of material that person already has.
The most common misreading is that dreaming about somebody means they are thinking about you. It is the single most repeated claim about this dream, there is no mechanism for it, and there is no evidence behind it. When it was tested, at the Maimonides laboratory, the results did not replicate. Believing it keeps people checking their phone, and that is a real cost.
The second is treating a reconciliation dream as a sign. It is not a preview, a message or a prompt. What it shows is that your mind can still assemble that scenario, which it will be able to do for a long time regardless of what you want.
The third is the opposite error and it deserves naming: deciding the dream proves you are not over it, and treating that as a failure. These dreams are extremely common in people who are entirely finished with the relationship. Memory is durable, and that is all this demonstrates.
And a fourth: reading the dream as a verdict on a current relationship. It is not one. People in good relationships dream about former partners regularly, and there is nothing here to confess.
Look up the rest of what you dreamed.