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Are the faces I see in dreams recalled from real life or figments of my imagination?

<span>Photograph: TCD/Prod.DB/Alamy Stock Photo/Alamy Stock Photo</span>
Photograph: TCD/Prod.DB/Alamy Stock Photo/Alamy Stock Photo

In my dreams I encounter detailed, vivid, credible human representations of utter strangers, singly or in crowded street scenes. Are they the people my mind recorded automatically as I moved around in my waking life or have noted in films, or are they simply figments of my imagination? I normally work with words, not pictures.

Bill Finn, St Paul, Alberta, Canada

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