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Smells in dreams

Explore scents and smells in dreams through direct diary, questionnaire and sleep-laboratory research, with clear limits and thoughtful ways to record sensory detail.

Author & editorial responsibilityMatthias BöhmScience journalist · Sleep & dream expert
Orange peel and rosemary lie beside a small pot of damp soil on a warm ledge.
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A clear starting point

The short answer

A smell in a dream might be a familiar perfume, food, damp earth or an odour you cannot name. Direct research includes reports of dreamed smells as well as experiments using real odours during sleep. These are different kinds of evidence. Neither provides a reliable code for translating a scent into a hidden message. Describe the experience first, including whether you actually smelled something or simply knew it was present.

Orange peel and rosemary lie beside a small pot of damp soil on a warm ledge.
Other names & situations in this guide

smells in dreams · smelling in dreams · olfactory dreams · dream scents · familiar smells · unpleasant smells

Name the experience before naming its meaning

Try to capture what made the detail a smell. Did you experience something sweet, sharp, smoky or difficult to describe? Did another character announce what it was? Or did you see a flower and assume it had a scent without remembering one? These distinctions help preserve the particular experience rather than adding sensory detail afterwards.

You can use a comparison instead of an exact name: 'like a wet coat', 'a little like citrus', or 'familiar, but I cannot place it'. Add where the smell seemed to come from and whether it changed what you did. You might have approached it, opened a window or barely reacted. The examples here are original prompts for optional description. They are not findings about what a particular fragrance means for every dreamer.

What questionnaire research can tell us

Stevenson and Case surveyed 284 people about olfactory dreams. Participants described such dreams as relatively uncommon, often emotional and brief, with odours resembling everyday experiences. Reported olfactory dreaming was associated with self-reported imagery ability. A smaller subgroup also completed an odour-identification task.

These are group findings based partly on recollection and self-report. They do not make an individual scent dream an ability test, and they do not identify a psychological meaning for perfume, food or any other particular smell.

Source1

A long diary gives a different kind of picture

Schredl's 2019 analysis examined 11,180 reports from one person's dream diary. Explicit smell references appeared in 0.30% of those reports. Unpleasant odours appeared more often than pleasant ones in that series.

The denominator is written reports by one dreamer, not all dreams experienced by the population. A report without a smell reference cannot establish that no smell was experienced. The paper calls for larger diary studies with direct questions about olfactory experience. Its numbers should not become a benchmark for what you ought to remember.

Source2

Real odours during sleep are another question

In Schredl and colleagues' 2009 laboratory experiment, 15 volunteers with normal smell function received pleasant, unpleasant or control stimulation during REM sleep. Dream emotion differed with the experimental odour conditions, but the researchers found no direct incorporation of the smells into the reports.

This small, controlled experiment does not show that a room fragrance will reliably produce a particular dream. It also illustrates why an effect on reported emotion and literally smelling the stimulus in a dream are different outcomes. It is not a home aromatherapy treatment trial.

Source3

Perfume and the sense of recognising someone

A fragrance may seem connected with a person before you see them, or the person may appear before you notice the scent. Write the order if you remember it. You can distinguish recognising the person within the dream from identifying a particular perfume afterwards. You may be certain of the first and unsure of the second.

If the experience brings someone to mind, consider what you would like to keep from it. That might be a pleasant memory, an ordinary wish to contact someone or simply a vivid sensory fragment. A dreamed fragrance does not establish that the person was present, sent a message or feels a particular way about you. Any waking contact should be your own choice, grounded in the actual relationship and its boundaries.

Food, drink and familiar rooms

A smell may belong to a kitchen, bakery, market or table without any food being eaten. Describe whether the experience was inviting, puzzling, disappointing or neutral. Were you trying to identify an ingredient, waiting for something to finish cooking or following a scent through an unfamiliar building? These are different actions even when they involve similar food.

If the smell reminds you of a real place, keep the comparison specific. 'This resembled the bread from a shop I visited' is enough; you do not have to decide that the entire dream re-enacted the visit. Nor does a pleasant meal scene establish a bodily deficiency or prescribe a diet. You can enjoy an appetising memory or use it as inspiration for an ordinary meal without turning the dream into nutritional advice.

Unpleasant smells and your response

An unpleasant smell can be described without expanding it into a threat. Note its quality, the apparent source and your response. Perhaps you looked for a bin, left a room, asked someone else whether they noticed it or continued with what you were doing. If you felt disgust, record disgust. If you felt curiosity instead, there is no need to replace it with a more alarming emotion.

Keep judgements about people separate from the imagined environment. A bad smell attached to a person in a dream is not evidence that they are dishonest, dangerous or unwell. Similarly, a smell on your own clothes is not a verdict on your character. If an actual practical concern exists after waking, address that concern from what is presently observable rather than from the dream's associations.

A smell without an identifiable source

Sometimes the distinctive feature is that you cannot find where the smell comes from. Describe the search, including places you checked and moments when the scene changed. The lack of an answer can remain part of the story. You do not need to invent a concealed object, forgotten event or hidden person to close the gap.

An unidentified scent can also be enjoyable. You may want to remember the atmosphere of a garden, a room or an imaginary landscape even if no familiar word fits it. A short description, drawing or fictional scene is a valid creative response. Mark any additions as your waking choices. Making something from a dream is different from reconstructing exactly what occurred, and both activities can be satisfying on their own terms.

Separate the dream from the waking surroundings

When you wake, you can record two distinct observations: what you remember smelling in the dream and what, if anything, you notice in the room. If the two resemble each other, note that resemblance. It does not by itself establish the timing or direction of influence. The dream account and the waking observation may each be incomplete.

Deal with any actual environmental issue in the ordinary way, using present evidence. The appearance of smoke in a dream does not tell you whether something is burning, and the absence of a dream warning cannot certify that a room is safe. You do not need to investigate every remembered scent. The distinction simply keeps a sensory story separate from whatever is actually happening around you after waking.

A small sensory note is enough

A useful note can have four parts: the closest description of the smell, its apparent source, your response and your confidence in the memory. 'Sweet scent near a doorway; pleasant; source unclear' is a complete entry. If the sensation is difficult to express, leave a blank rather than searching for a label until it feels certain.

You can stop with that note, or add one personal association clearly marked as an association. There is no requirement to collect many examples or reproduce the experience on another night. If you share the dream, it is reasonable to ask the listener to stay with your description instead of supplying a symbolic diagnosis. The most useful result may be a more accurate account of an unusual and interesting sensory moment.

Optional personal reflection

Questions for your journal

These prompts are an editorial exercise, not a psychological test. Choose one that interests you, or leave the dream unexplained.

  • Did I experience a smell, hear it described, or infer it from an object?
  • Which sensory words come closest without pretending to exact recall?
  • What seemed to be the source, and what did I do in response?
  • Does a personal association fit, or am I trying to force an explanation?
  • What belongs to the dream account, and what did I actually notice after waking?
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A few things you might be wondering

Common questions

Can a dream include a real experience of smell?

People report smell experiences in dreams, including in the questionnaire research by Stevenson and Case. The evidence concerns reported experiences and group associations; it cannot recover the exact sensation from a dream you no longer remember.

Source1
Are smell dreams always rare?

Explicit smell references were uncommon in Schredl's single-person diary series. That result does not establish a universal frequency. How a person records dreams, what is asked and what is remembered all matter when interpreting a count of written reports.

Source2
Will a pleasant scent guarantee a pleasant dream?

The small laboratory experiment found differences in dream emotion under controlled odour conditions, not a guarantee for a home fragrance. It found no direct smell incorporation. These results do not justify using essential oils or another product as a proven dream treatment.

Source3
Does smelling a familiar perfume mean someone contacted me?

A remembered fragrance can be personally moving without providing evidence of contact. You can appreciate the memory and any feeling it brings. Information about another person's actions or intentions needs a waking source independent of the dream.

What if I cannot find words for the smell?

An approximate comparison or the label 'unidentified smell' is enough. You can record whether it was pleasant, unpleasant or neither, and what happened around it. Uncertainty is part of a careful account, not a reason to invent details.

Evidence, with its limits intact

Sources & their limits

Sources support the statements indicated above. They do not endorse this website or validate a universal meaning for this dream.

  1. Stevenson and Case (2004): Olfactory Dreams: Phenomenology, Relationship to Volitional Imagery and Odor Identification

    Questionnaire and odour-identification findings; not an individual ability test or symbolic dictionary.

    Cited in this guide · 2 places
  2. Schredl (2019): Olfactory perception in dreams: Analysis of a long dream series

    One person's 11,180 reports; explicit smell mentions are not a population prevalence estimate.

    Cited in this guide · 2 places
  3. Schredl et al. (2009): Information processing during sleep: the effect of olfactory stimuli on dream content and dream emotions

    Small controlled REM-sleep experiment; emotional effects without direct smell incorporation, not a treatment trial.

    Cited in this guide · 2 places
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