when we fall into a deep sleep, gleick cells opened canals which released this fluid. it washes over the neurons clearing away the waste that's collected there during our waking hours. so these cells are key to brain cleansing, and once it's trench quoted out of the brain here, it's don't back into the blood circulation and you convert got the liver as our professional wish. i complained. doug kelly is an engineer specializing in fluid mechanics. he's constructed the 1st model which shows how this cleansing system operates in the brain of a sleeping mammal. here's the middle cerebral artery at the surface of the brain of alive mouse and what is going through yet? but of course our interest is the cerebral spinal fluid that's flowing through the spaces around. so this is really what happening when be asleep, that we have all these many milliliters of fluid morning to our brain to clean this know is much more efficient when been deep sleep. if you're an die the status of sleep or if you're awake, it does not work to the deep or your sleep, the longer your sleep, the bett

now gleick avoided double, but given that are sure we lucky food equity shavelle a in been asked for the last monday to juanita. i can chill up soon enough going feet the same way. they won't elemental i. so anthony got the evil can you know when the needle that a cake in court bought it go down the street doughty ground, the boy he ground the will the hasty guess one of these thought the trend pushing 1005. how's any more than a gram this still be that gina with eisen, believe me about you gotten that goggle egg cook? well now it's run by shut order that i want you to have a thought that luckily buddha alida, that'll shape out. yeah. now with an idea clean vonage it took to laura. oh, a clue to do with my job fast and then football is eliano. piccolo keel. phillip east covington local north. goodbye but its eliano. caea la bought the key. kuhn donna wister chince, florida to a sooner convened fee. would it went up on the 14th and what would they on the case? she has why yeah, she sorratto laquon, florida and get this unit by yet the listen soon. you been on the get go get the police

now gleick avoid it double, but kids that are fairly weak. a border committee shavelle a been ace through the landing, my little juanita conchella shawna square feet. the same day, they won't let me until i saw anthony got to eve. okay, you're not on the needle, but a kick in called body ground discreet dordy ground. the boy he grandy was a hasty guess. one of these thought he trent washing, quantify better cows in the modern a and i ground this to be that gina with eisen bohemia, you gotten that gone? echo went out to him by shut order that i wanted your fatal. that luck will duda. i believe that will shape out. yeah. do so. and i would put in audio clean vonage it took to laura ah, a ah module 5 and then football is eliano piccolo. gail furniture piece of a good local northwood bubble. eliano. she had the the key can dinah wister chin. sure. sure. sure. no convene, keep that one up on the 14th, but with diana, cuz she has a yeah. chin, sorata laguna today and get this unit by yet the listen soon. let me get, get the police to godaddy law. p

so we're starting to wonder what lisa be involved in it. gleick cells nourish our neurons, supplying them with oxygen and nutrients. however, thanks to my can, nita guards discoveries. we now know another major purpose. these self serve in the brain. the arteries are surrounded by space in which cerebro spinal fluid circulates freely. when we fall into a deep sleep, gl sells open canals which released this fluid. it washes over the neurons clearing away the waste that's collected there during our waking hours. so these cells are key to brain cleansing, and once it's transported out of the brain here, it don't back into the blood circulation, and you can forgot the liver as our professional, which i complained. doug kelly is an engineer specializing in fluid mechanics. he's constructed the 1st model which shows how this cleansing system operates in the brain of a sleeping mammal. here's the middle cerebral artery at the surface of the brain of alive mouse and what is flowing through yet, but of course our interest is the cerebral spinal fluid that's flowing through the spaces around s