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Importance Ratingsplugin-autotooltip__plain plugin-autotooltip_bigImportance ratings

In a departure from the usual Wiki format, Wikenigma assigns 'Importance Ratings' to some pages.

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• Jan 2021 : A milestone of 600 unknown articles has been reached.

• Oct 2020 : A milestone of 500 unknown articles has been reached.

• Aug 2020 : Currently (beta) testing the new 'WYSIWYG' (What You See Is What You Get

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Wikenigma - an Encyclopaedia of Unknowns Wikenigma - an Encyclopaedia of the Unknown Science

REM (Rapid Eye Movement) sleep

“Rapid eye movement sleep (REM sleep or REMS) is a unique phase of sleep in mammals and birds, distinguishable by random/rapid movement of the eyes, accompanied with low muscle tone throughout the body, and the propensity of the sleeper to dream vividly.”

First described in the mid 1950s, REM sleep is known to be an essential component of healthy sleep. The questions of why the eyes move rapidly, what regulates REM episodes, and what are the precise functions of REM sleep are yet to be answered.

There are currently at least 8 competing theories.

Some researchers maintain that has no purpose at all, and simply results from random brain activation.

Note: Sleep periods without REM is termed 'NREM' (non-REM) - the purpose of which is also unclear (see Sleepplugin-autotooltip__plain plugin-autotooltip_bigSleep

"“The purposes and mechanisms of sleep are only partially clear and are the subject of intense research” Source Wikipedia"

Although extensive research in humans and animals has shown unequivocally that sleep is essential, the reasons why it's required are as y…
)

Further reading : Wikipedia


Also see Dreamingplugin-autotooltip__plain plugin-autotooltip_bigDreaming

"“The content and purpose of dreams are not yet understood, though they have been a topic of speculation and interest throughout recorded history.” source: Wikipedia"

Not only is the function of dreaming unknown (if there is one), but there isn't as yet an…


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