19K views · 106 reactions | How long can a human go without sleep? Connie Sellecca has the answer & it's unbelievable! | John Tesh | Facebook

Scientists have discovered that chronic sleep deprivation causes the brain to activate destructive cleaning processes that begin eating its own cells. This overactive response leads to long-term cognitive decline, memory loss, and increased risk of neurological diseases. • Sleep loss triggers astrocytes to consume healthy synapses—normally reserved for clearing damaged ones. • Microglial cells also become hyperactive, causing inflammation linked to Alzheimer’s and dementia. • A lack of sleep dis