On Wall Street, barely sleeping was a badge of honor. It inspired me to quit and launch a health startup.

Source: Business Insider

Josh Hou, on the right, with his Ren cofounders Ryan Hou (left) and Eli Qian (middle). Josh HouJosh Hou, 22, left his investment banking job at Evercore after a year to cofound Ren, a health app. Conversations on Wall Street about sleep and the culture around wearables inspired the startup.