Cofounder and editor in chief of The Huffington Post, Arianna Huffington wants to put you to bed with her latest book, The Sleep Revolution. She will be the keynote speaker at the Sun Valley Wellness Festival in Sun Valley, Idaho on May 26–29, 2017.S&H's Editor in Chief Stephen Kiesling and columnist Rabbi Rami will be joining Arianna Huffington and many others at this yea's Sun Valley Wellness Festival! Purchase your tickets here.1. What are the telltale signs of sleep deprivation?There are so many—and they go beyond the obvious one of simply being tired. Sleep deprivation also lowers our immune system, so being sick is another sign. We tend to react impulsively and emotionally to challenges, and have trouble remembering, learning, or completing cognitive tasks. But unfortunately, even our judgment about ourselves and how we’re performing can be impaired by sleep deprivation.2. What personal changes did you make to ensure that you get the rest you need?One of the biggest changes I made was to banish my phone from my room at night. Our phones are repositories of everything we need to put away t …