科学研究显示，良好的睡眠有助于提升记忆力和创新能力。雨后小故事gif图动态在线观看

　　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.