Could your body do with a spring cleanse? May 13, 2015 Articles, Liver Doctor's Articles Leave a comment 5,162 Views. Today we cannot escape environmental toxins as they are increasingly in the air, water, soil and, by extension, in the food we eat.
Sleep Stages. Periods of sleep manifested by changes in EEG activity and certain behavioral correlates; includes Stage 1: sleep onset, drowsy sleep; Stage 2: light sleep; Stages 3 and 4: delta sleep, light sleep, deep sleep, telencephalic sleep. Translation. Find a translation for the sleep stages definition in other languages:
There is no real division between stages 3 and 4 except that, typically, stage 3 is considered delta sleep in which less than 50 percent of the waves are delta waves, and in stage 4 more than 50 percent of the waves are delta waves. Delta sleep is our deepest sleep, the point when our brain waves are least like waking.