Neuroscientist Rachel Barr clarifies the common belief that waking up early boosts brain function, revealing that our internal clock, largely determined by genetics, dictates peak alertness. She highlights that night owls can be more productive later in the day and that early risers risk losing crucial REM sleep, essential for emotional processing.source https://timesofindia.indiatimes.com/life-style/health-fitness/health-news/does-waking-up-at-5-am-unlock-the-brains-full-potential-top-neuroscientist-explains/articleshow/123570460.cms