Dreaming about sex: why it happens and what it usually reflects

What this dream usually points to (and what it does not)

Dream interpretation is not prediction and not diagnosis. This article separates what sleep research observes from what popular interpretation associates with the theme, always saying which is which.

Dreaming about sex is one of the most common dream experiences and one of the least talked about. In the dream diaries used in research, a small but steady share of the reports has erotic content, and that includes kissing and flirting, not only scenes of intercourse. The dream does not work as a confession of desire or as a prediction of cheating: it can involve a coworker, a stranger, an ex or a celebrity without saying anything about what you want in real life.

The emotion left over when you wake up (pleasure, guilt, strangeness, embarrassment) usually says more than the scene itself. It is that emotion, and not the identity of the person in the dream, that offers the best clue about what the night was processing.

Read also: Dreaming about a kiss, Dreaming about being cheated on and Dreaming about your ex.

Why erotic dreams happen

In a study based on the diaries of 425 German university students, about 6% of the 1,612 dreams recorded had an erotic theme. Kissing was the most frequent activity, followed by intercourse and foreplay. People more open to new experiences reported more dreams of this kind, and traits such as neuroticism were linked to a more negative emotional tone. This fits the continuity hypothesis: dreams tend to reflect the life and the personality of the person who dreams.

In an online survey, men reported erotic dreams more often than women, and the frequency went down with age. The average estimated by the participants was close to 18% of remembered dreams, a higher figure than the one found in the diaries, because memory tends to highlight what made an impression. Another study showed that being single or in a steady relationship did not change the proportion, and only widowed people reported fewer erotic dreams. The authors raise the hypothesis that these dreams follow everyday fantasy more than actual sex life, something that still needs to be confirmed.

Sources: Geißler and Schredl, Sexologies, 2020; Schredl and Göritz, International Journal of Dream Research, 2020; Schredl, Geißler and Göritz, Psychology & Sexuality, 2020 (PsyPost summary); Schredl and Hofmann, Continuity between waking activities and dream activities, Consciousness and Cognition, 2003.

Versions of dreaming about sex and what usually comes with them

See also: Dreaming about being naked in public and Dreaming about your boyfriend or girlfriend.

When dreaming about sex calls for attention

Erotic dreams, on their own, are no cause for concern. It is worth talking to a psychologist or a doctor if they come with intense distress, guilt that does not go away, memories of violence or abuse, or if they got worse after a traumatic event. If the dream turns into a recurring nightmare, there is treatment: see nightmares: why they happen and how to have fewer.

Source: Morgenthaler and colleagues, Journal of Clinical Sleep Medicine, 2018.

Science and belief: Freud, Jung and tradition

In Freud's psychoanalysis. Freud saw the dream as the disguised fulfillment of a wish and gave sexual content a prominent place. When discussing anxiety dreams, he argued that many of them would be dreams of sexual content whose libido had turned into anxiety. This is a historical reading, not a proven fact: current research works more with the continuity between dreaming and waking life, as in the studies above.

In Jung's psychology. In Man and His Symbols, the dream of a young man, Henry, in which a prostitute turns first into a man and then into a saint, is read as a sign that he was running away from his own sexuality: the figure that both attracted and repelled the dreamer becomes something "sexless". The message would be that, in the first half of life, a person needs to learn to accept sexuality. In the Jungian key, the dream comments on the dreamer's attitude; it does not announce a fact.

In symbols and faith. A Dictionary of Symbols notes that, for symbolism, the physical reality of sex matters less than the meaning each people gives to it: every being carries both the masculine and the feminine within, and sexual union symbolizes the search for unity and the full realization of the self. That is why mystical poems turn to erotic language to speak of the union of the soul with God.

Bringing both readings together. Tradition sees in sex an image of union; science sees a dream that follows fantasies, personality and stage of life. The useful question is similar in both cases: what does this scene touch in you right now?

Sources: Freud, Die Traumdeutung, 1900; Jung (ed.), Man and His Symbols; Chevalier and Gheerbrant, A Dictionary of Symbols.

What dream books say

In O Livro dos Sonhos, a Brazilian dream book, L. P. Baçan sums up dreaming about sex as good health in life and dissatisfaction in love: a traditional reading, with no proof behind it. Freud described dream books as a kind of dictionary that translates each image into another one with a fixed meaning. Artemidorus of Daldis, author of the oldest complete Greek dream book that has survived, recommended looking at the dreamer's life before interpreting anything. If you see the dream as a message, both paths suggest the same thing: ask what this image reminds you of at this moment in your life. See what dream meanings look like according to science and culture.

Sources: L. P. Baçan, O Livro dos Sonhos, 2014; Freud, Die Traumdeutung, 1900.

Folk beliefs about this dream

In folk reading, dreaming about sex is associated with good health, with a hidden desire or with emotional dissatisfaction, depending on the book consulted. Dreaming about sex with someone who is already committed is read, in tradition, as a warning of betrayal. These are cultural interpretations, without scientific proof.

Read also: dreaming about a baby or pregnancy; dreaming about a wedding; why we dream.

To understand how to approach any dream, there is a broader guide. See what dream meanings look like according to science and culture.