While you sleep, your glymphatic system shampoos your brain. It gives it a good cleaning and eliminates any toxins or bad stuff that has managed to slip in. Of course, your brain is performing an endless number of other functions as well. But the cleaning function is different in that it only is performed while you sleep. And if you don’t sleep enough, well, you’re trying to do your waking tasks with a clogged-up, messy, dirty brain. It is possible- although speculative at this point- that there may be a link between inadequate sleep and Alzheimer’s disease. Enough’ s Enough How much sleep do you need? We came across a newsletter from the Cleveland Clinic with some information on appropriate amounts of sleep that referenced guidelines from a variety of sources including National Sleep Foundation, American Academy of Pediatrics and the American Academy of Sleep Medicine. Obviously, infants and babies sleep most of the time, furthermore, they need to. Toddlers (ages 1-3) need 12...