睡眠类型 meaning in English

sleep pattern
sleep-pattern

There is some evidence that the two types of sleep , dreaming and dreamless , depend on the life - style of the animal , and that predators are statistically much more likely to dream than prey , which are in turn much more likely to experience dreamless sleep
有些证据显示2种睡眠类型- -有梦和无梦的，有赖于动物的生活习惯，比如狩猎者会比猎物更经常做梦，而后者容易睡觉不做梦。