Arianna Huffington
If you don't take care of yourself, you aren't going to be able to help others, she said.
"Life isn't just about getting s*** done."
Arianna enters the tank.
"One of the immediate ways we can see the impact of sleep deprivation is by what happens to our mood."
WHAT'S HAPPENING
At what point do our devices start hurting us, rather than helping?
"Good for Lindsey Graham."
The Huffington Post editor-in-chief's new role on the Uber board of directors raises concerns about her site's editorial independence.
"This is our responsibility. We are proudly going to continue on the same tack."