Frequency and forgetting of nightly dreams

The article discusses the nature of dreams during sleep, explaining that a person typically goes through 4 to 6 periods of rapid eye movement (REM) sleep during the night, with the latter sometimes lasting up to an hour. It is estimated that an individual spends about two hours dreaming each night, with dreams during REM phases being usually more vivid and emotional, while those in other stages tend to be less detailed. Research indicates that forgetting dreams is linked to the brain ceasing its memory formation functions during sleep, and that waking immediately during or right after a dream enhances the ability to remember it. Therefore, it is recommended to record dream details immediately upon waking to preserve them, noting that the ability to recall dreams depends on the timing of awakening and the sleep stage.

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