\u00a0<\/p>\n
Sleeping doesn\u2019t make much sense from a, \u201csurvival of the fittest\u201d perspective. How does it benefit an animal or a person to become completely inattentive to their environment \u2013 helpless to fight or flee \u2013 for six or seven hours out of every 24? Reason suggests that over All the cells in any animal\u2019s body take in nutrients (glucose) and O2<\/sub> to provide the energy the cell needs to work. As a result, every cell produces waste products that have to be moved out of the cell and eventually released from the body. The normal pathway for \u201cemptying the cellular trash\u201d starts with the waste products being carried away from the cell by lymphatic fluid, collecting in the lymph nodes, transferred to the blood stream, and then transported to the kidneys for filtration. Eventually, those toxins are \u201cliquidated\u201d from the body in urine.<\/span><\/p>\n It turns out that there are lymphatic vessels throughout the body except in the head<\/em><\/strong>. So, since there are no lymphatic vessels to carry lymphatic fluid throughout the head, how do the cells in the brain, which makes a lot of waste products, take out the trash?<\/span><\/p>\n That question remained unanswered until an explanation surfaced in some interesting research conducted by Dr. Maiken Nedergaard and her colleagues at the University of Rochester Medical Center in 2013 (National Institutes of Health, Research Matters, October 28, 2013, https:\/\/www.nih.gov\/news-events\/nih-research-matters\/how-sleep-clears-brain<\/strong><\/a>). Dr. Nedergaard found that cerebrospinal fluid saturates the brain, acting just like lymphatic fluid but only during sleep<\/em><\/strong>. The only time the brain flushes out all the toxins it produces is during sleep. Interestingly, one of the especially destructive toxins that needs to be flushed is the protein beta-amyloid which is famous for building up in the brains of people with Alzheimer\u2019s.<\/span><\/p>\n This fascinating finding is yet another compelling reason to prioritize and practice good sleep hygiene as major part of your commitment to personal wellness.<\/span><\/p>\n \u00a0<\/p>\n Site Administrator:\u00a0 Gary S. Aumiller, Ph.D. ABPP<\/em><\/span><\/p>\n Please share this article from down below.<\/em><\/span><\/p>\n Please join the email list on the top of the sidebar and you can get these sent to your email.\u00a0 Also follow me on Twitter (https:\/\/twitter.com\/ThinBlueMind<\/a>) for other articles and ideas, and YouTube at\u00a0https:\/\/www.youtube.com\/channel\/UCfjNw0510ipr3bX587IvAHg<\/a> .<\/em><\/span><\/p>\n<\/body>","protected":false},"excerpt":{"rendered":" Police Psychology:\u00a0 Sleep \u2013 What\u2019s the Point? by Douglas Gentz, Ph.D. \u00a0 Sleeping doesn\u2019t make much sense from a, \u201csurvival of the fittest\u201d perspective. How does it benefit an animal or a person to become completely inattentive to their environment \u2013 helpless to fight or flee \u2013 for six or seven hours out of every […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[17168885],"tags":[17169008,17168831,17168852],"class_list":["post-6350","post","type-post","status-publish","format-standard","hentry","category-stress","tag-police-psychoogy","tag-police-stress","tag-sleep"],"aioseo_notices":[],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":4987,"url":"http:\/\/policepsychologyblog.com\/?p=4987","url_meta":{"origin":6350,"position":0},"title":"Police Psychology | Symptom Stress","author":"Gary Aumiller","date":"December 15, 2016","format":false,"excerpt":"Police Psychology | Symptom Stress by Gary S. Aumiller, Ph.D.\u00a0 ABPP Police Psychology has a strong cognitive element. Thoughts are very powerful. They have the ability to shape your reality and create a world that is completely different than anyone else\u2019s. They can provide you with questions and solutions that\u2026","rel":"","context":"In "Mastering Thoughts"","block_context":{"text":"Mastering Thoughts","link":"http:\/\/policepsychologyblog.com\/?cat=17168878"},"img":{"alt_text":"anxiety, Police Psychology","src":"https:\/\/i0.wp.com\/policepsychologyblog.com\/wp-content\/uploads\/2015\/11\/anxiety-275x300.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":825,"url":"http:\/\/policepsychologyblog.com\/?p=825","url_meta":{"origin":6350,"position":1},"title":"Police Psychology | Sleep","author":"Gary Aumiller","date":"November 2, 2015","format":false,"excerpt":"Police Psychology | Sleep By Doug Gentz, Ph.D., Psychological Services Chapter 1 of the excellent book on sleep Wide Awake at 3:00 A.M. by Richard M. Coleman describes the \u201cbiological clock\u201d that all organisms have built into their nervous systems. 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In police psychology we often get asked the question, \u201cwhat does my dream mean?\u201d A dream is a wish your heart makes when you\u2019re fast asleep\u2026When Cinderella sang this song many years ago, she was just adding to an age-old psychological and\u2026","rel":"","context":"In "Public Information Bureau"","block_context":{"text":"Public Information Bureau","link":"http:\/\/policepsychologyblog.com\/?cat=17168888"},"img":{"alt_text":"Dream Door, police psychology","src":"https:\/\/i0.wp.com\/policepsychologyblog.com\/wp-content\/uploads\/2015\/12\/Dream-Door-300x179.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":3221,"url":"http:\/\/policepsychologyblog.com\/?p=3221","url_meta":{"origin":6350,"position":3},"title":"Police Psychology | Not-So Fantastic Four","author":"Gary Aumiller","date":"July 13, 2016","format":false,"excerpt":"Police Psychology | Not-So-Fantastic Four by Gary S. Aumiller, Ph.D.\u00a0 ABPP The Human Torch, the Invisible Woman, the Thing and Mr. Fantastic are Marvel's creation of four people with super powers who work together as a team to stop crime.\u00a0 Not one of their powers is complete, but together they\u2026","rel":"","context":"In "Police Stress"","block_context":{"text":"Police Stress","link":"http:\/\/policepsychologyblog.com\/?cat=17168885"},"img":{"alt_text":"BURSTRESS","src":"https:\/\/i0.wp.com\/policepsychologyblog.com\/wp-content\/uploads\/2016\/07\/BURSTRES-300x210.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":2824,"url":"http:\/\/policepsychologyblog.com\/?p=2824","url_meta":{"origin":6350,"position":4},"title":"Police Psychology | Mass Casualities","author":"Gary Aumiller","date":"June 15, 2016","format":false,"excerpt":"Police Psychology | Mass Casualties by Gary S. Aumiller, Ph.D.\u00a0 ABPP \u00a0 In light of the Orlando night club shooting this week, I wanted to give you some information on the effects this kind of tragedy can have on first responders and what can be done as a police leader\u2026","rel":"","context":"In "Rank and Leadership"","block_context":{"text":"Rank and Leadership","link":"http:\/\/policepsychologyblog.com\/?cat=17168887"},"img":{"alt_text":"police line","src":"https:\/\/i0.wp.com\/policepsychologyblog.com\/wp-content\/uploads\/2016\/06\/police-line-300x145.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":778,"url":"http:\/\/policepsychologyblog.com\/?p=778","url_meta":{"origin":6350,"position":5},"title":"Police Psychology |Memories, May Be Beautiful, but then\u2026Wait! What was I Singing!","author":"Gary Aumiller","date":"October 14, 2015","format":false,"excerpt":"Police Psychology | Memories, May Be Beautiful, but then\u2026Wait! 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millions of years those members of any population that slept the least (or not at all) would have been more likely to survive to an age old enough to reproduce and pass their genes to the next generation . . . So there must be a very good reason for the fact that all animals, including humans, have to sleep on a regular basis. The reason has been a mystery until the last few years.<\/span><\/p>\n