Un sommeil à ondes lentes plus profond aide les personnes âgées à réguler leur anxiété pendant la nuit ( anglais + trad. auto)
https://articles.mercola.com/sites/articles/archive/2026/05/26/strong-slow-wave-sleep-anxiety.aspx? Stronger Slow-Wave Sleep Helps Older Adults Regulate Anxiety Overnight Analysis by Dr. Joseph Mercola May 26, 2026 Story at-a-glance Older adults with weaker slow-wave sleep — the deepest stage of non-REM sleep — experienced significantly higher anxiety levels the next day, showing that sleep quality affects emotional stability more than total hours slept Researchers found that age-related shrinkage in emotional processing regions of the brain reduced the brain’s ability to generate restorative deep sleep, linking brain aging directly to worsening overnight anxiety regulation The study showed that anxiety and poor sleep reinforce each other in a self-perpetuating cycle, where disrupted sleep raises anxiety levels and elevated anxiety further disrupts future sleep Follow-up testing over roughly four years rev...