Millionaire real-estate broker Ryan Serhant revealed he sleeps five hours/day and wakes up at precisely 4:18am to answer emails, before going to the gym, dancing and doing skincare. Serhant reaches office at 8:00am, plans his day in 15-minute blocks and doesn't eat till noon. He makes time for family after 8:30pm but sleeps by 11:00pm, after planning for next day.