Overview

• Research from the University of Copenhagen reveals that deep sleep facilitates brain toxin clearance via noradrenaline-driven vessel contractions.
• Chronic insomnia affects 12 million Italians, with 80% experiencing persistent symptoms a year after diagnosis, and is linked to cardiometabolic and mental health risks.
• A Cambridge-Fudan study of over 3,200 adolescents shows that late bedtimes and insufficient sleep weaken brain connectivity, reduce brain volume, and lower cognitive performance.
• Neuropsychiatry experts emphasize limiting evening smartphone and social media use to improve sleep hygiene and safeguard adolescent brain development.
• Global surveys report a 'sleep crisis,' with one-third of people sleeping irregularly fewer than four nights weekly, and adolescents averaging two hours less sleep than recommended.