Please register and log-in to create and edit pages

User Tools

    Please register and log-in to create and edit pages

Site Tools


Main Menu

Main menu
Click categories to expand


A-Z listingplugin-autotooltip__plain plugin-autotooltip_bigA-Z listing

This is an alphabetical index of all content pages.


Other categories

Utilities

Contacts
Register

Also see

Importance Ratings
News
Legal
Donate/Sponsor


Wikenigma supports:


Feeds etc
rss / xml feed
sitemap file
A-Z listing (archived)

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 ag…


    Share this page :

X

Dear reader : Do you have any suggestions for the site's content?

Ideas for new topics, and suggested additions / corrections for old ones, are always welcome.

If you have skills or interests in a particular field, and have suggestions for Wikenigma, get in touch !


Or, if you'd like to become a regular contributor . . . request a login password. Registered users can edit the entire content of the site, and also create new pages.

( The 'Notes for contributors' section in the main menu has further information and guidelines etc.)

Show another (random) page

DOKUWIKI IMPLEMENTATION DESIGN BY UNIV.ORG.UK JULY 2021