Roughly 1 in 4 men and 1 in 15 women suffer from obstructive sleep apnea, yet most remain undiagnosed, untreated, and unaware of the profound toll this condition takes on their brains and bodies. Severe untreated sleep apnea increases the risk of cognitive decline by 26%, is strongly associated with impaired executive function and memory, and is now recognized as a significant risk factor for Alzheimer’s disease. Sleep apnea does more than simply make you tired. It accelerates neuronal aging and