Guarding Against Neurological Diseases

The brain's self-cleansing during sleep might be a key defense mechanism against neurological diseases. Conditions like Alzheimer's and Parkinson's are characterized by the accumulation of harmful substances in the brain, leading to neurodegeneration. The nightly flushing of waste, facilitated by sleep brainwaves, could play a crucial role in delaying or even preventing these diseases. By removing metabolic waste and junk proteins, the brain protects itself from the damage that can lead to cognitive decline.