The word “dream” is most likely related to the West Germanic draugmus, (meaning deception, illusion, or phantom) or from the Old Norse draugr (ghost, apparition) or the Sanskrit druh (seek to harm or injure).
Adults dream off and on, for a total of about an hour and half to three hours every night.
By the time we die, most of us will have spent a quarter of a century asleep, of which six years or more will have been spent dreaming—and almost all of those dreams are forgotten upon waking.
The average person has about 1,460 dreams a year. That’s about four per night.
Egyptian pharaohs were considered children of Ra (Egyptian sun god) and, thus, their dreams were seen as being divine.
In the Chinese province of Fu-Kein, people called on their ancestors for dream revelation by sleeping on graves.
Scientists suggest that the dreams of fetuses are mostly composed of sound and touch sensations, given the lack of visual stimuli in the womb.
About 80% of neonatal and newborn sleep time is REM sleep, suggesting a tremendous amount of time dreaming.
According to Plato, dreams originate in the organs of the belly. Plato describes the liver in particular as the biological seat of dreams.
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