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Does Sleep Deprivation Lead to Higher Risk of Getting Alzheimer¡¯s?Investigating the link between sleep and Alzheimer¡¯s
À̼­Áø °­³²Æ÷½ºÆ® Çлý±âÀÚ | ½ÂÀÎ 2021.02.04 20:30

The importance of sleep is well recorded. Sleeping helps restore the brain by flushing out toxins that accumulate during waking hours. On the other hand, sleep deprivation is known to decrease the brain’s cognitive performance by impairing its ability to think and process information. Although it is unknown exactly what goes on in the brain during sleep, its restorative role led researchers to hypothesize that there exists a link between sleep and neurocognitive disorders. A growing amount of evidence is beginning to suggest that a good night’s sleep can help ward off Alzheimer’s Disease (AD).

Alzheimer’s Disease is characterized by the accumulation of neurofibrillary tangles and amyloid plaques between neurons. However, research has found that sleep deprivation is associated with increased levels of beta-amyloid in the cerebral spinal fluid (CSF), the fluid that bathes the brain. Typically, these beta-amyloid proteins are released into the circulatory system, but in some cases they remain in the brain, causing damage to neurons and their functions. Another study conducted by Dr. Maiken Nedergaard, co-director of the Center for Translational Neuromedicine at the University of Rochester, identified a “glymphatic system” that seemed to rinse out amyloid fragments generated by active neurons during sleep. To sum up, these results add credence to the notion that sleep increases the clearance of waste products in the brain.

Although these studies do not guarantee that sleep loss leads to an increased risk of Alzheimer’s, they prove the increase of possibility.
They are evidential to prove that everyone has to sleep at least 7~8 hours every day.

 

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¾ËÃ÷ÇÏÀ̸Ӻ´Àº ´º·± »çÀÌ¿¡ ½Å°æ¿ø ¼¶À¯ ¾ûÅ´°ú ¾Æ¹Ð·ÎÀ̵å ÇöóÅ©°¡ ÃàÀûµÇ´Â °ÍÀÌ Æ¯Â¡ÀÌ´Ù. ¿¬±¸¿¡ µû¸£¸é ¼ö¸é ºÎÁ·Àº ³ú¸¦ ¸ñ¿å½ÃÅ°´Â ü¾×ÀÎ ´ë³ú ô¼ö¾× (CSF)ÀÇ º£Å¸ ¾Æ¹Ð·ÎÀÌµå ¼öÄ¡ Áõ°¡¸¦ ÀÏÀ¸Å²´Ù. ÀϹÝÀûÀ¸·Î ÀÌ·¯ÇÑ º£Å¸-¾Æ¹Ð·ÎÀÌµå ´Ü¹éÁúÀº ¼øȯ°è·Î ¹æÃâµÇÁö¸¸ °æ¿ì¿¡ µû¶ó ³ú¿¡ ³²¾Æ ´º·±°ú ±× ±â´É¿¡ ¼Õ»óÀ» ÀÔÈù´Ù. ·Îü½ºÅÍ ´ëÇÐÀÇ Áß°³ ½Å°æ ÀÇÇÐ ¼¾ÅÍÀÇ °øµ¿ Ã¥ÀÓÀÚÀÎ Maiken Nedergaard ¹Ú»ç°¡ ¼öÇàÇÑ ¶Ç ´Ù¸¥ ¿¬±¸¿¡¼­´Â ¼ö¸é Áß¿¡ È°¼º ´º·±¿¡ ÀÇÇØ »ý¼ºµÈ ¾Æ¹Ð·ÎÀ̵å Á¶°¢À» ¾Ä¾î³»´Â "glymphatic system"ÀÌ È®ÀεǾú´Ù. ÀÌ·¯ÇÑ °á°ú¸¦ Á¾ÇÕÇÏ¸é ¼ö¸éÀÌ ³úÀÇ ³ëÆó¹° Á¦°Å¸¦ Áõ°¡½ÃŲ´Ù´Â °³³ä¿¡ ½Å·Ú¸¦ ´õÇÑ´Ù.

ÀÌ·¯ÇÑ ¿¬±¸°¡ ¼ö¸é ¼Õ½ÇÀÌ ¾ËÃ÷ÇÏÀÌ¸Ó ¹ßº´ À§ÇèÀ» Áõ°¡½ÃŲ´Ù´Â °ÍÀ» º¸ÀåÇÒ ¼ö´Â ¾øÁö¸¸ ±×·¯ÇÑ °¡´É¼ºÀ» ³ôÀÌ°í ¸ðµç »ç¶÷¿¡°Ô ¸ÅÀÏ ÃÖ¼Ò 7~8½Ã°£ÀÇ ¼ö¸éÀ» ±ÇÀåÇϱ⿡ ÃæºÐÇÏ´Ù°í ÇÒ ¼ö ÀÖ´Ù.

 

 

 

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