as kids we love animations and one of my favorite animation is sleeping beauty, I used to wonder how she could sleep for a thousand years? the curse from the witch was reason. I wondered the science behind sleeping for so long, till I came to know something that causes sleep and regulate it.
sleep hormone is known as Melatonin which is released by the pineal gland, which is a small gland present in the brain
melatonin main function is to induce sleep and regulate circadian rhythm
circadian rhythm is mainly the cycle physiological process that occurs in living being for period of time let say 24 hours.
circadian rhythm is of three types;
Diurnal rhythm; is relating to the day light hours.
Nocturnal rhythm; is relating to activity during the night and sleeping during the day
Crepuscular rhythm; is relating to activity during twilight i.e during the dawn, it distinguish the diurnal rhythm and the nocturnal rhythm.
melatonin is present in humans, animal, plants,and fungi.
so I think the curse the pineal gland in the brain to continuously secrete melatonin in sleeping beauty and entire people in her kingdom to make them sleep for so long.
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