Why Don't We Remember Dreams?
Chemicals like serotonin and norepinephrine are low in the brain during sleep
It often happens that we dream in our sleep but forget it when we wake up, but why does this happen!
We often forget our dreams because during sleep our brain dreams in the “rapid eye movement (RIM) stage”. However, after waking up, the brain immediately starts transferring information from short-term memory to long-term memory and dreams are often ‘lost’ during this transition.
Similarly, if you wake up suddenly with an alarm or a sound, the mind does not get “time” to save the dream, so it is immediately forgotten.
During sleep, chemicals like serotonin and norepinephrine are low in the brain, which help in saving memory. Due to their deficiency, dreams cannot be saved in the mind.
Furthermore, the brain usually remembers only those things that it considers important. Because dreams are often strange, random, and illogical, the brain ignores them as “unnecessary.”
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