And as we go into those light stages of non-REM sleep, your heart rate starts to decrease, your body temperature starts to drop and your electrical brain wave activity starts to slow down.
Y conforme vamos entrando en las fases de sueño ligero NMOR, nuestro ritmo cardíaco comienza a disminuir, nos baja la temperatura corporal y la actividad eléctrica cerebral se ralentiza.