brain does in fact have a system for removing waste: the glymphatic system. Although scientists today generally agree on its existence, it was another aspect of the glymphatic system that really grabbed headlines. Scientists discovered that the main waste product the glymphatic system is removing is amyloid beta (Aβ), the protein that accumulates in the brains of Alzheimer’s patients. While that fact itself is fascinating, there’s more: The glymphatic system is 60 percent more productive when we sleep than when we are awake!
