Does anyone else think there may be a correlation between dreams that we cannot remember and the eerie feeling of deja vu? The average human being goes through about 4 cycles of REM every night, and REM + dreaming only lasts for a short amount of time, 4-5 minutes. Which is mind blowing judging on how long dreams can seem. Granted every individual does not remember every dream, I think it may be possible that some situations that occur to us while dreaming can be very similar to real - life scenarios later on. This could explain the intense feeling that a certain situation has happened before, even though one cannot put a finger on it. idk..just an idea.