What makes you wake up?!


Question: we go to sleep at night and wake up in the morning, is it some sort of brain function why cant u continue to sleep until some one wakes you up, what makes you wake up, AND I MEAN MEDICALLY, I DONT MEAN THE ALARM OR THE CHICK NEXT TO MA BED, thanks


Answers: we go to sleep at night and wake up in the morning, is it some sort of brain function why cant u continue to sleep until some one wakes you up, what makes you wake up, AND I MEAN MEDICALLY, I DONT MEAN THE ALARM OR THE CHICK NEXT TO MA BED, thanks

The hormones, adrenocorticotropin or ACTH from the pituitary gland and cortisol from the adrenal gland, send a message that alerts the brain.

According to Professor Jan Born of the University of Lubeck in Germany, this may explain why some people can wake up "on time," without an alarm clock.

Both ACTH and cortisol are released by the body in anticipation of a stressful event. For instance, a school exam, a big presentation at work or a confrontation with someone will cause these hormones to be released in the system to heighten one's sense of alertness.


Hormones ACTH and cortisol together signals the brain that it's time for the body to wake up from sleep
The study, published in the journal Nature, shows the hormones increase in the later stages of sleep to trigger the anticipation of awakening.

Scientists generally agree that sleep is a state of unconsciousness. However, the study's finding show the mind may actually have some sort of conscious, voluntary control. It may explain why someone can wake up on time if they have to get up earlier than usual.

"So you will quickly adapt to the new system and ACTH will secrete an hour before," Born said.

Born said the finding may help develop therapies for people who have trouble waking up in the morning, those who work overnight shifts, or those who have a need to sleep at unusual hours.

I hope this helps. It took me a long time to find :)





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