A terrific TED talk from one of the researchers who discovered the waste cleansing system that works in our brains when we sleep. Good sleep is essential for brain health. A healthy jugular venous system is needed, because blood vessels replace the lymphatic vessels in the brain---and CSF needs to move waste, like amyloid beta (the protein related to AD) out of brain tissue.


One more reason to get a good night’s sleep
www.ted.com
The brain uses a quarter of the body's entire energy supply, yet only accounts for about two percent of the body's mass. So how does this unique organ receive and, perhaps more importantly, rid itself of vital nutrients? New research suggests it has to do with sleep.