Health Unsolved Problems in Neuroscience, Sleep Medicine, and Sleep Apnea: Challenges in CPAP Therapy and Clinical Understanding by Dr Natalie Singh - Health Editor April 18, 2026 by Dr Natalie Singh - Health Editor April 18, 2026 The Biggest Unsolved Problems in Sleep Medicine: What Science Still Can’t Explain Sleep is a fundamental biological process, yet despite decades of research, many core questions about why we sleep, … 0 FacebookTwitterPinterestEmail