Andrew Huberman· PhD
Again, sleeping on one side or with feet slightly elevated, as well, has been shown to increase the rate of clearance of some of the debris and that's because the way that the glymphatic system works
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The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Again, sleeping on one side or with feet slightly elevated, as well, has been shown to increase the rate of clearance of some of the debris and that's because the way that the glymphatic system works
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We can flip that on its head and say that increasing the activity of the glymphatic system, feet elevated during deep sleep, maybe even feet elevated above the head while awake, during a nap or doing a Reverie script once a day or something of that sort, could increase the activity of the glymphatic system, lowering iron to a point that's probably below the typical intake during periods of infection, perhaps, I should say, can enhance the glymphatic system and vice versa.