Unraveling the Secrets of the Language of Sleep: NREM and REM Cycles
Our journeys through slumber aren't a single, uniform experience. Instead, sleep oscillates between two primary epochs: Non-Rapid Eye Movement (NREM) and Rapid Eye Movement (REM). These alternating states each possess unique characteristics. NREM sleep, the base of our nightly recuperation, is further divided into three subdivisions: N1, N2, a