Waking Up at 3 AM: Why It's More Common Than You Think Waking up in the early hours of the morning has become a badge of honor for many productivity enthusiasts and entrepreneurs.
However, waking up at 3 AM is more common than initially thought, affecting approximately one third of adults worldwide who report experiencing nocturnal wakefulness. The science behind this phenomenon is complex.
Sleep cycles are governed by an intricate process involving multiple stages, each lasting around 90 120 minutes.