Quick answer: Dreams are experiences that occur during sleep, especially vivid during REM sleep, though they can occur in other stages.
What to know
Researchers study possible roles in memory processing, emotional regulation, and simulation of experiences, but no single theory explains every dream.
Practical context
Dream content often draws on recent concerns, memories, and imagined events without following waking logic.
Frequently asked question
Do dreams predict the future?
There is no reliable scientific evidence that ordinary dreams predict specific future events.
Leave a Reply