nance narrative made their means into the modern literary sphere when French writer Charles Perrault publishedHistoires ou contes du temps passéin 1697 ( literally , “ Stories or tales of clock time past”).Histoireswas a collection of stories that quick permeate our refinement , including the now - famous Cinderella , Puss in Boots , Little Red Riding Hood , and Sleeping Beauty . Whatever basis Perrault ’s tarradiddle have in world are quite tenuous at secure — one does n’t see pumpkins - as - chariot , swashbuckling CAT , or woman chaser wearing grandma ’s bed dress in the veridical world .
The sleeping - for - a - century part of the Sleeping Beauty tale is also total fiction . But sleeping for days on closing is not . It is perfectly possible and , if it happens , most in all likelihood due to a neurologic upset called Kleine - Levin Syndrome ( KLS ) , or , conversationally , Sleeping Beauty Syndrome .
Those affected by KLS sleep the whole 24-hour interval and night away , arouse only to eat and use the bathroom , and typically only briefly at that ( although some KLS sufferers report elongated eating binges ) . While alert , the person appear snake god - like , experience small energy and designate even less emotion . Many are unable to even convey while awake . In uttermost cases , such asthe case of Louise Ballin the UK , instalment can last as long as ten days and waking up is rarified . Caretakers ( in Ball ’s caseful , her parent ) are instructed to attempt to wake the individual to get him or her to use the bathroom and attempt to eat .

KLS is most prevalent in teenagers , with the first oncoming occurring , on average , at about old age 15 — and with no observable effort . instalment can pass as frequently as every few week to only once in five years , but on medium , the dormancy magic spell occur every six months . By a KLS sufferer ’s mid - to - late 20 , the syndrome often disappears , again with no discernible lawsuit . Similarly , KLS is difficult to name , as there are no markers unique to it other than the symptom set , and medico need to rid of all other possible reason before declaring KLS the cause of the lethargy . Because of this , the syndrome often accept year to correctly diagnose . The good news show is that it ’s passing uncommon : It affects only about six hoi polloi in ten thousand .
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