Prefer to watch or read this post ?
Here is a recap of this audio
01:46 The business world NEEDS a night shift
02:02 Meet the brain clean up crew
02:49 Spying on the brain’s clean up crew
03:29 The brain’s clean up crew works the night shift
04:08 Lost memories
Sleep Drives Metabolite Clearance from the Adult Brain.
Science (2013) 342 (6156): 373
L. Xie, H. Kang, Q. Xu, M. J. Chen, Y. Liao, M. Thiyagarajan, J. O'Donnell, D. J. Christensen, C. Nicholson, J. J. Iliff, T. Takano, R. Deane, M. Nedergaard.