This Investment Expert Only Gets About 4 Hours of Sleep a Night. Here's His Very Busy Daily Routine. Jim Cramer, the host of “Mad Money with Jim Cramer” on CNBC, has been waking up at 3:15 a.m. for at least a decade. Previous Article The Hidden Cost of Chasing Unqualified Leads — and How to Create a Stronger Sales Process Next Article It Takes Humans 1,000 Hours of Study to Pass This Exam for Finance Professionals. It Took AI Mere Minutes.