Sleep apnoea brain

Sleep apnoea brain — this is not a metaphor. New research using 7-tesla MRI has shown that sleep apnoea weakens the mechanism by which the brain flushes itself at night. And it’s not sleep fragmentation that’s to blame, as previously thought. Blood oxygen drops are the culprit. Gawon Cho's team scanned 36 people: 28 with newly diagnosed obstructive sleep apnoea and 8 without...