You can imagine a conversation while awake and later remember a conversation from sleep. Both may feel vivid, but they do not begin from the same kind of record. In everyday use, daydreaming describes waking imaginative thought; a night-dream entry concerns what you remember from sleep.
The distinction is useful when the content overlaps. Instead of assuming that a repeated image carries a message, keep track of when it appeared, whether you deliberately imagined it, and what you knew at the time. These recording questions are original editorial suggestions.
Start with the state you can identify
“I imagined this while waiting for the bus” gives an experience a waking context. “I remembered this after waking in bed” gives a different context. If the timing was unclear around sleep onset, say so. You do not need to force every image into a confident category.
An intentionally imagined scene can be written down without calling it a dream recalled from sleep. That helps later comparisons: you can see whether a familiar setting appeared in a spontaneous waking thought, an exercise you chose, or a night-time account.
What a mind-wandering study actually investigated
In a 2009 fMRI study, Christoff and colleagues used intermittent questions about participants’ experience during a concurrent task. Reported mind wandering was associated with activity in both default and executive brain networks. The study concerns waking off-task thought, rather than the interpretation of a specific imagined story.
It does not show that a brain network produces a particular symbol’s meaning, that every daydream has the same function, or that waking imagination and sleep dreaming are identical. The method is worth noticing: a participant’s report and recorded activity answer a narrower question than a sweeping claim about imagination.
Did you choose the scene, or notice you were already in it?
For a personal record, distinguish deliberately rehearsing an interview from realising your attention has drifted to an imagined holiday. These experiences might share people or places while differing in intention. A label such as daydream need not erase that difference.
You can record a change as well: “I began planning tomorrow’s conversation, then noticed I had invented an argument.” The entry gives you an observable sequence. It does not require a conclusion that the argument will happen or that the imagined other person holds those views.
When the same image appears awake and asleep
A bridge you sketched in an afternoon fantasy might appear in a later remembered dream. You can note the resemblance while retaining differences: perhaps you crossed it while awake in imagination, but waited beneath it in the dream. The changed action may interest you more than the shared object.
Avoid rewriting the earlier scene after remembering the later one. Keep separate timestamps and preserve what each account originally said. If you cannot remember the earlier details, label the comparison tentative. A neat connection is less useful than an accurate record.
Worked example: an imagined speech and a missed train
Invented waking note: “At lunch, I imagined telling my colleague I would move teams. I rehearsed the first sentence.” Invented next-morning note: “In a dream, I stood on a platform with an unopened envelope while a train left. I felt undecided.” The two records share a possible question about communicating a change, but only one explicitly names work.
The dreamer could ask whether the envelope brings that conversation to mind. They could also associate it with an unrelated letter. The comparison becomes useful when it opens a specific question, not when it retroactively turns the dream into a prediction about the move.
A small template for keeping the records apart
Use a heading that identifies waking imagination or a dream recalled after sleep, followed by what you remember. Add intention and certainty as separate details. DreamFolia’s notebook is designed for dreams; if you also record waking scenes, label them plainly in the title or text.
There is no need to generate more imagery to complete the template. A short spontaneous thought and a short dream fragment can remain short. If you later explore a personal association, add it as a new thought rather than editing it into the original scene.
- Context: when and where did I notice the experience?
- Intention: did I start or steer it deliberately, or is that unclear?
- Account: what happened, and which details am I uncertain about?
- Association: what does it bring to mind now, without making that the original content?
Sources & further reading
- Experience sampling during fMRI reveals default network and executive system contributions to mind wandering (opens in a new tab)Proceedings of the National Academy of Sciences; PubMed Central
Primary 2009 waking-task fMRI study using experience sampling. Supports only the reported association between mind wandering and network activity; the comparison exercises are original editorial writing.
Explore a dream symbol.
Use these entries as starting points for your own reflection.
