Void Loop on Instagram: "Far from being supernatural, NPT is a sign of a healthy circulatory and nervous system. It typically occurs during REM (Rapid Eye Movement) sleep, the stage associated with vivid dreaming. During this phase, the brain’s “rest and digest” (parasympathetic) system becomes more active, releasing chemicals like nitric oxide that increase blood flow. Simultaneously, the body’s levels of testosterone peak in the early morning hours, which naturally triggers erections regardles