剧情简介

本片是由Jeff  Semple  导演，等主演的一部于2016上映的纪录片，主要讲述的是

　　Sleep has long been regarded as nothing more than a way to charge our batteries. But what if it can control our weight, allow us to make memories, and help us to fight off diseases like Alzheimer’s? We travel the world to investigate how revolutionary new technology has revealed the sleeping brain as an energetic and purposeful machine.