Arianna Huffington

The passionate sleep advocate has created her own version of the classic children's book 'Goodnight Moon' -- which she's renamed 'Goodnight Smartphone.'

There will always come a time when it's time to leave. Even when it is your 'baby.'

'I thought HuffPost would be my last act. But I've decided to step down as HuffPost's editor-in-chief to run my new venture, Thrive Global,' she tweeted.

In celebration of Arianna Huffington's birthday, we share her reflections on motivation and success.

An accident inspired her to reevaluate her own notions about the importance of sleep.

After a dramatic breakdown that was the result of burnout, the media mogul did deep research on why sleep matters and ultimately wrote the book, 'The Sleep Revolution.'

The media mogul and entrepreneur started her investigation into sleep because she herself wasn't getting enough rest.

From Bill Gates to Barack Obama, here's an eye-opening peek at how some of the most famous and accomplished people of our time hit the sack.

The media mogul is on a mission to change the way people think about shuteye.

The start-up is slated to launch in a few months. She will remain at her current role at The Huffington Post, while Thrive Global will have a separate team.

From Sheryl Sandberg to Barbara Corcoran, here are 10 quotes from women who offer wisdom for the ages.

The iconic author and media mogul talks to Entrepreneur about how her mother raised her to be fearless, and how she passed that philosophy to her daughters.

Kalanick also announced Arianna Huffington, founder and editor-in-chief of The Huffington Post, is joining Uber's board of directors.

Not getting enough sleep? Sleep on these three eye-opening TED Talks about shuteye and discover the secrets to sleeping your way to the top (literally).

The founder and editor-in-chief of The Huffington Post is on a crusade to change the way we work. She has science on her side, but that may not be enough.

In an interview with Oprah Winfrey, the entrepreneur and media powerhouse talks about what it takes to thrive and what it means to be successful today.

Stay sane and de-stress with these strategies to keep burnout at bay.

Who controls the Internet? For all the talk about how the Internet levels the playing field and gives anyone the chance to become an influence in society and