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  • Everybody dreams, but memory for dreams is famously elusive. Even Sigmund Freud, without the benefit of modern technology's electroencephalogram, or EEG, did not know that adult humans dream 90 minutes per night, and that newborns spend eight hours per day dreaming (out of their 16 hours of sleep). REM sleep helps grow the brain!

    Source: www.nbcnews.com