sleep stage

(sleep stayj)

One of 5 parts or stages of the sleep cycle based on the type of brain activity that occurs during the stage. During stages 1 to 4, a person will feel drowsy, fall asleep, and move into a deep, dreamless sleep. Stage 5 is called rapid eye movement (REM) sleep, and it is during this stage that dreams occur. During several hours of normal sleep, a person will go through several sleep cycles that include REM sleep and the 4 stages of non-REM sleep (light to deep sleep).

Pronunciation of dictionary term "sleep stage"

Pronunciation of dictionary term "etapa del sueño"

Una de las cinco partes o etapas del ciclo del sueño basadas en la actividad del cerebro que tiene lugar durante dicha etapa. Durante las etapas 1 a 4, la persona se sentirá somnolienta, quedará dormida y pasará a un sueño profundo sin soñar. La etapa 5 se llama sueño de movimientos oculares rápidos (MOR), y en esta etapa se presentan los sueños. Durante varias horas de sueño normal, una persona pasará por varias etapas de sueño, que incluyen el sueño MOR y las cuatro etapas de sueño sincronizado (sueño superficial a profundo).