# Jeff Iliff: One more reason to get a good night’s sleep

The brain uses a quarter of the body's entire energy supply, yet only accounts for about two percent of the body's mass. So how does this unique organ receive and, perhaps more importantly, rid itself of vital nutrients? New research suggests it has to do with sleep.

- Kind: Talk
- Year: 2014
- Runtime: 11 min
- By: TED.com
- Genres: Education, Science
- Archive: [Internet Archive](https://archive.org/details/JeffIliff_2014P)
- Licence or status: [CC BY-NC-ND 3.0](http://creativecommons.org/licenses/by-nc-nd/3.0/) (as the archive states it)
- Who can watch: Tweens profiles and older (the archive gives no rating; placed by Invisible Network from its collection and subjects)

[Watch now](https://invisiblenetwork.ai/watch/archive/ia/JeffIliff_2014P?play=1)