" It's also called paradoxical sleep or active sleep, because REM sleep is actually very close to being awake, " said Dr. Rajkumar Dasgupta, a sleep medicine and pulmonary specialist at the Keck School of Medicine of the University of Southern California.

“它也被称为矛盾睡眠或主动睡眠，因为快速眼动睡眠实际上非常接近清醒，”南加州大学凯克医学院的睡眠医学和肺部专家 Rajkumar Dasgupta 博士说。